refactor!: remove util.path.escape_wildcards

Work on #2079.

lua/lspconfig/util.lua

@@ -97,10 +97,6 @@ end
 
 -- Some path utilities
 M.path = (function()
-  local function escape_wildcards(path)
-    return path:gsub('([%[%]%?%*])', '\\%1')
-  end
-
   --- @param path string
   --- @return boolean
   local function is_fs_root(path)
@@ -179,7 +175,6 @@ M.path = (function()
   local path_separator = iswin and ';' or ':'
 
   return {
-    escape_wildcards = escape_wildcards,
     is_absolute = is_absolute,
     join = path_join,
     traverse_parents = traverse_parents,
@@ -216,13 +211,17 @@ function M.get_lsp_clients(filter)
   return nvim_eleven and lsp.get_clients(filter) or lsp.get_active_clients(filter)
 end
 
+local function escape_wildcards(path)
+  return path:gsub('([%[%]%?%*])', '\\%1')
+end
+
 function M.root_pattern(...)
   local patterns = M.tbl_flatten { ... }
   return function(startpath)
     startpath = M.strip_archive_subpath(startpath)
     for _, pattern in ipairs(patterns) do
       local match = M.search_ancestors(startpath, function(path)
-        for _, p in ipairs(vim.fn.glob(M.path.join(M.path.escape_wildcards(path), pattern), true, true)) do
+        for _, p in ipairs(vim.fn.glob(M.path.join(escape_wildcards(path), pattern), true, true)) do
           if vim.loop.fs_stat(p) then
             return path
           end

test/lspconfig_spec.lua

@@ -10,21 +10,6 @@ describe('lspconfig', function()
 
   describe('util', function()
     describe('path', function()
-      describe('escape_wildcards', function()
-        it('doesnt escape if not needed', function()
-          local lspconfig = require 'lspconfig'
-
-          local res = lspconfig.util.path.escape_wildcards '/usr/local/test/fname.lua'
-          eq('/usr/local/test/fname.lua', res)
-        end)
-        it('escapes if needed', function()
-          local lspconfig = require 'lspconfig'
-
-          local res = lspconfig.util.path.escape_wildcards '/usr/local/test/[sq brackets] fname?*.lua'
-          eq('/usr/local/test/\\[sq brackets\\] fname\\?\\*.lua', res)
-        end)
-      end)
-
       describe('is_absolute', function()
         it('is absolute', function()
           local lspconfig = require 'lspconfig'