don't check lsp server with mason

lua/plugins/lsp.lua

@@ -59,10 +59,7 @@ return {
       capabilities = capabilities,
     })
 
-    require('mason').setup()
-    require('mason-lspconfig').setup({
-      ensure_installed = servers,
-    })
+    vim.lsp.enable(servers)
 
     local lsp_group = vim.api.nvim_create_augroup('UserLspAttach', { clear = true })
     vim.api.nvim_create_autocmd('LspAttach', {