Revert "feat(lsp): implement workspace/didChangeWatchedFiles (#21293)"

This reverts commit 5732aa706c639b3d775573d91d1139f24624629c.

Causes editor to freeze in projects with many watcher registrations

1 files changed, 9 insertions, 29 deletions

diff --git a/runtime/lua/vim/lsp/handlers.lua b/runtime/lua/vim/lsp/handlers.lua
index ee5b63d260..5096100a60 100644
--- a/runtime/lua/vim/lsp/handlers.lua
+++ b/runtime/lua/vim/lsp/handlers.lua
@@ -117,35 +117,15 @@ M['window/showMessageRequest'] = function(_, result)
 end
 
 --see: https://microsoft.github.io/language-server-protocol/specifications/specification-current/#client_registerCapability
-M['client/registerCapability'] = function(_, result, ctx)
-  local log_unsupported = false
-  for _, reg in ipairs(result.registrations) do
-    if reg.method == 'workspace/didChangeWatchedFiles' then
-      require('vim.lsp._watchfiles').register(reg, ctx)
-    else
-      log_unsupported = true
-    end
-  end
-  if log_unsupported then
-    local client_id = ctx.client_id
-    local warning_tpl = 'The language server %s triggers a registerCapability '
-      .. 'handler despite dynamicRegistration set to false. '
-      .. 'Report upstream, this warning is harmless'
-    local client = vim.lsp.get_client_by_id(client_id)
-    local client_name = client and client.name or string.format('id=%d', client_id)
-    local warning = string.format(warning_tpl, client_name)
-    log.warn(warning)
-  end
-  return vim.NIL
-end
-
---see: https://microsoft.github.io/language-server-protocol/specifications/specification-current/#client_unregisterCapability
-M['client/unregisterCapability'] = function(_, result, ctx)
-  for _, unreg in ipairs(result.unregisterations) do
-    if unreg.method == 'workspace/didChangeWatchedFiles' then
-      require('vim.lsp._watchfiles').unregister(unreg, ctx)
-    end
-  end
+M['client/registerCapability'] = function(_, _, ctx)
+  local client_id = ctx.client_id
+  local warning_tpl = 'The language server %s triggers a registerCapability '
+    .. 'handler despite dynamicRegistration set to false. '
+    .. 'Report upstream, this warning is harmless'
+  local client = vim.lsp.get_client_by_id(client_id)
+  local client_name = client and client.name or string.format('id=%d', client_id)
+  local warning = string.format(warning_tpl, client_name)
+  log.warn(warning)
   return vim.NIL
 end