doc: Remove unused 'if_[language].txt' and related

Rubycomplete requires 'if_ruby', which has never been in Neovim. Because
of this, remove some mentions of it from the docs, but keep the actual
plugin untouched (as to avoid unneeded maintainence costs). It has a
call to `has('ruby')`, so it will still fall back to syntax completion.

1 files changed, 0 insertions, 216 deletions

diff --git a/runtime/doc/if_ruby.txt b/runtime/doc/if_ruby.txt
deleted file mode 100644
index 0a32d87851..0000000000
--- a/runtime/doc/if_ruby.txt
+++ /dev/null
@@ -1,216 +0,0 @@
-*if_ruby.txt*   For Vim version 7.4.  Last change: 2012 Aug 02
-
-
-		  VIM REFERENCE MANUAL    by Shugo Maeda
-
-The Ruby Interface to Vim				*ruby* *Ruby*
-
-
-1. Commands			|ruby-commands|
-2. The VIM module		|ruby-vim|
-3. VIM::Buffer objects		|ruby-buffer|
-4. VIM::Window objects		|ruby-window|
-5. Global variables		|ruby-globals|
-6. Dynamic loading		|ruby-dynamic|
-
-{Vi does not have any of these commands}
-			*E266* *E267* *E268* *E269* *E270* *E271* *E272* *E273*
-
-The Ruby interface only works when Vim was compiled with the |+ruby| feature.
-
-The home page for ruby is http://www.ruby-lang.org/.  You can find links for
-downloading Ruby there.
-
-==============================================================================
-1. Commands						*ruby-commands*
-
-							*:ruby* *:rub*
-:rub[y] {cmd}		Execute Ruby command {cmd}.  A command to try it out: >
-				:ruby print "Hello"
-
-:rub[y] << {endpattern}
-{script}
-{endpattern}
-			Execute Ruby script {script}.
-			{endpattern} must NOT be preceded by any white space.
-			If {endpattern} is omitted, it defaults to a dot '.'
-			like for the |:append| and |:insert| commands.  This
-			form of the |:ruby| command is mainly useful for
-			including ruby code in vim scripts.
-			Note: This command doesn't work when the Ruby feature
-			wasn't compiled in.  To avoid errors, see
-			|script-here|.
-
-Example Vim script: >
-
-	function! RedGem()
-	ruby << EOF
-	class Garnet
-		def initialize(s)
-			@buffer = VIM::Buffer.current
-			vimputs(s)
-		end
-		def vimputs(s)
-			@buffer.append(@buffer.count,s)
-		end
-	end
-	gem = Garnet.new("pretty")
-	EOF
-	endfunction
-<
-
-						*:rubydo* *:rubyd* *E265*
-:[range]rubyd[o] {cmd}	Evaluate Ruby command {cmd} for each line in the
-			[range], with $_ being set to the text of each line in
-			turn, without a trailing <EOL>.  Setting $_ will change
-			the text, but note that it is not possible to add or
-			delete lines using this command.
-			The default for [range] is the whole file: "1,$".
-
-							*:rubyfile* *:rubyf*
-:rubyf[ile] {file}	Execute the Ruby script in {file}.  This is the same as
-			":ruby load 'file'", but allows file name completion.
-
-Executing Ruby commands is not possible in the |sandbox|.
-
-==============================================================================
-2. The VIM module					*ruby-vim*
-
-Ruby code gets all of its access to vim via the "VIM" module.
-
-Overview >
-	print "Hello"			      # displays a message
-	VIM.command(cmd)		      # execute an Ex command
-	num = VIM::Window.count		      # gets the number of windows
-	w = VIM::Window[n]		      # gets window "n"
-	cw = VIM::Window.current	      # gets the current window
-	num = VIM::Buffer.count		      # gets the number of buffers
-	b = VIM::Buffer[n]		      # gets buffer "n"
-	cb = VIM::Buffer.current	      # gets the current buffer
-	w.height = lines		      # sets the window height
-	w.cursor = [row, col]		      # sets the window cursor position
-	pos = w.cursor			      # gets an array [row, col]
-	name = b.name			      # gets the buffer file name
-	line = b[n]			      # gets a line from the buffer
-	num = b.count			      # gets the number of lines
-	b[n] = str			      # sets a line in the buffer
-	b.delete(n)			      # deletes a line
-	b.append(n, str)		      # appends a line after n
-	line = VIM::Buffer.current.line       # gets the current line
-	num = VIM::Buffer.current.line_number # gets the current line number
-	VIM::Buffer.current.line = "test"     # sets the current line number
-<
-
-Module Functions:
-
-							*ruby-message*
-VIM::message({msg})
-	Displays the message {msg}.
-
-							*ruby-set_option*
-VIM::set_option({arg})
-	Sets a vim option.  {arg} can be any argument that the ":set" command
-	accepts.  Note that this means that no spaces are allowed in the
-	argument!  See |:set|.
-
-							*ruby-command*
-VIM::command({cmd})
-	Executes Ex command {cmd}.
-
-							*ruby-evaluate*
-VIM::evaluate({expr})
-	Evaluates {expr} using the vim internal expression evaluator (see
-	|expression|).  Returns the expression result as a string.
-	A |List| is turned into a string by joining the items and inserting
-	line breaks.
-
-==============================================================================
-3. VIM::Buffer objects					*ruby-buffer*
-
-VIM::Buffer objects represent vim buffers.
-
-Class Methods:
-
-current		Returns the current buffer object.
-count		Returns the number of buffers.
-self[{n}]	Returns the buffer object for the number {n}.  The first number
-		is 0.
-
-Methods:
-
-name		Returns the name of the buffer.
-number		Returns the number of the buffer.
-count		Returns the number of lines.
-length		Returns the number of lines.
-self[{n}]	Returns a line from the buffer. {n} is the line number.
-self[{n}] = {str}
-		Sets a line in the buffer. {n} is the line number.
-delete({n})	Deletes a line from the buffer. {n} is the line number.
-append({n}, {str})
-		Appends a line after the line {n}.
-line		Returns the current line of the buffer if the buffer is
-		active.
-line = {str}    Sets the current line of the buffer if the buffer is active.
-line_number     Returns the number of the current line if the buffer is
-		active.
-
-==============================================================================
-4. VIM::Window objects					*ruby-window*
-
-VIM::Window objects represent vim windows.
-
-Class Methods:
-
-current		Returns the current window object.
-count		Returns the number of windows.
-self[{n}]	Returns the window object for the number {n}.  The first number
-		is 0.
-
-Methods:
-
-buffer		Returns the buffer displayed in the window.
-height		Returns the height of the window.
-height = {n}	Sets the window height to {n}.
-width		Returns the width of the window.
-width = {n}	Sets the window width to {n}.
-cursor		Returns a [row, col] array for the cursor position.
-cursor = [{row}, {col}]
-		Sets the cursor position to {row} and {col}.
-
-==============================================================================
-5. Global variables					*ruby-globals*
-
-There are two global variables.
-
-$curwin		The current window object.
-$curbuf		The current buffer object.
-
-==============================================================================
-6. Dynamic loading					*ruby-dynamic*
-
-On MS-Windows and Unix the Ruby library can be loaded dynamically.  The
-|:version| output then includes |+ruby/dyn|.
-
-This means that Vim will search for the Ruby DLL file or shared library only
-when needed.  When you don't use the Ruby interface you don't need it, thus
-you can use Vim even though this library file is not on your system.
-
-You need to install the right version of Ruby for this to work.  You can find
-the package to download from:
-http://www.garbagecollect.jp/ruby/mswin32/en/download/release.html
-Currently that is ruby-1.9.1-p429-i386-mswin32.zip
-
-To use the Ruby interface the Ruby DLL must be in your search path.  In a
-console window type "path" to see what directories are used.
-
-The name of the DLL must match the Ruby version Vim was compiled with.
-Currently the name is "msvcrt-ruby191.dll".  That is for Ruby 1.9.1.  To know
-for sure edit "gvim.exe" and search for "ruby\d*.dll\c".
-
-If you want to build Vim with Ruby 1.9.1, you need to edit the config.h file
-and comment-out the check for _MSC_VER.
-You may also need to rename the include directory name to match the version,
-strangely for Ruby 1.9.3 the directory is called 1.9.1.
-
-==============================================================================
- vim:tw=78:ts=8:ft=help:norl: