Fix setting up mason.nvim and mason-lspconfig.nvim

These are currently being set up twice:
- mason.nvim once by lazy.nvim (`config = true`) and then once manually
- mason-lspconfig.nvim twice manually

Author: williamboman

init.lua

@@ -83,7 +83,7 @@ require('lazy').setup({
     'neovim/nvim-lspconfig',
     dependencies = {
       -- Automatically install LSPs to stdpath for neovim
-      { 'williamboman/mason.nvim', config = true },
+      'williamboman/mason.nvim',
       'williamboman/mason-lspconfig.nvim',
 
       -- Useful status updates for LSP
@@ -507,6 +507,10 @@ vim.defer_fn(function()
   }
 end, 0)
 
+-- [[ Configure Mason ]]
+-- See `:help mason.nvim`
+require('mason').setup()
+
 -- [[ Configure LSP ]]
 --  This function gets run when an LSP connects to a particular buffer.
 local on_attach = function(_, bufnr)
@@ -572,11 +576,6 @@ require('which-key').register({
   ['<leader>h'] = { 'Git [H]unk' },
 }, { mode = 'v' })
 
--- mason-lspconfig requires that these setup functions are called in this order
--- before setting up the servers.
-require('mason').setup()
-require('mason-lspconfig').setup()
-
 -- Enable the following language servers
 --  Feel free to add/remove any LSPs that you want here. They will automatically be installed.
 --
@@ -610,22 +609,21 @@ require('neodev').setup()
 local capabilities = vim.lsp.protocol.make_client_capabilities()
 capabilities = require('cmp_nvim_lsp').default_capabilities(capabilities)
 
--- Ensure the servers above are installed
-local mason_lspconfig = require 'mason-lspconfig'
-
-mason_lspconfig.setup {
+require('mason-lspconfig').setup {
+  -- Ensure the servers above are installed
   ensure_installed = vim.tbl_keys(servers),
-}
-
-mason_lspconfig.setup_handlers {
-  function(server_name)
-    require('lspconfig')[server_name].setup {
-      capabilities = capabilities,
-      on_attach = on_attach,
-      settings = servers[server_name],
-      filetypes = (servers[server_name] or {}).filetypes,
-    }
-  end,
+  -- Automatic setup of installed servers
+  -- See `:help mason-lspconfig-automatic-server-setup`
+  handlers = {
+    function(server_name)
+      require('lspconfig')[server_name].setup {
+        capabilities = capabilities,
+        on_attach = on_attach,
+        settings = servers[server_name],
+        filetypes = (servers[server_name] or {}).filetypes,
+      }
+    end,
+  },
 }
 
 -- [[ Configure nvim-cmp ]]