fix(configs): remove sanitize_cmd #3778

Problem:
exepath is slow on WSL/Windows.

Solution:
Remove sanitize_cmd: absolute paths are nice, but not necessary.

Author: jrop

lua/lspconfig/configs.lua

@@ -24,17 +24,6 @@ local configs = {}
 --- @field root_dir? string|fun(filename: string, bufnr: number)
 --- @field commands? table<string, lspconfig.Config.command>
 
---- @param cmd any
-local function sanitize_cmd(cmd)
-  if cmd and type(cmd) == 'table' and not vim.tbl_isempty(cmd) then
-    local original = cmd[1]
-    cmd[1] = vim.fn.exepath(cmd[1])
-    if #cmd[1] == 0 then
-      cmd[1] = original
-    end
-  end
-end
-
 ---@param t table
 ---@param config_name string
 ---@param config_def table Config definition read from `lspconfig.configs.<name>`.
@@ -64,8 +53,6 @@ function configs.__newindex(t, config_name, config_def)
 
     local config = tbl_deep_extend('keep', user_config, default_config)
 
-    sanitize_cmd(config.cmd)
-
     if util.on_setup then
       pcall(util.on_setup, config, user_config)
     end