revert: "fix(lsp): only resolve LSP configs once" #38990

revert eb90f5d9e3

(cherry picked from commit 4eb95c8ed2)

runtime/lua/vim/lsp.lua

@@ -604,7 +604,6 @@ function lsp.enable(name, enable)
   validate('name', name, { 'string', 'table' })
 
   local names = vim._ensure_list(name) --[[@as string[] ]]
-  local configs = {} --- @type table<string,{resolved_config:vim.lsp.Config?}>
 
   -- Check for errors, and abort with no side-effects if there is one.
   for _, nm in ipairs(names) do
@@ -615,13 +614,13 @@ function lsp.enable(name, enable)
     -- Raise error if `lsp.config[nm]` raises an error, instead of waiting for
     -- the error to be triggered by `lsp_enable_callback()`.
     if enable ~= false then
-      configs[nm] = { resolved_config = lsp.config[nm] }
+      _ = lsp.config[nm]
     end
   end
 
   -- Now that there can be no errors, enable/disable all names.
   for _, nm in ipairs(names) do
-    lsp._enabled_configs[nm] = enable ~= false and configs[nm] or nil
+    lsp._enabled_configs[nm] = enable ~= false and {} or nil
   end
 
   if not next(lsp._enabled_configs) then