Default to languageserver settings from package.json

Address comments https://github.com/neovim/nvim-lspconfig/pull/1223/files/f7a5380984824aeb18acb827d9df2ae7063f9091#r703243276

lua/lspconfig/volar.lua

@@ -47,32 +47,12 @@ local volar_init_options = {
   }
 }
 
--- https://github.com/johnsoncodehk/volar/blob/master/package.json#L56
-local volar_settings = {
-  volar= {
-    codeLens= {
-      references = true,
-      pugTools = true,
-      scriptSetupTools = true,
-    },
-    lowPowerMode = false,
-    tsPluginStatus = false,
-    checkVueTscVersion = false,
-    preview= {
-      port = 3333,
-      backgroundColor = "fff",
-      transparentGrid = false,
-    }
-  }
-}
-
 configs[server_name] = {
   default_config = {
     cmd = { bin_name, '--stdio' },
     filetypes = { 'vue' },
     root_dir = util.root_pattern('package.json'),
     init_options = volar_init_options,
-    settings = volar_settings,
   },
   docs = {
     package_json = 'https://raw.githubusercontent.com/johnsoncodehk/volar/master/packages/server/package.json',
@@ -97,7 +77,6 @@ configs[server_name] = {
       filetypes = { 'vue' },
       root_dir = [[root_pattern('package.json')]],
       init_options = volar_init_options,
-      settings = volar_settings,
     }
   }
 }