feat(nvim): update blink config

config/nvim/lua/plugins/blink.lua

@@ -91,21 +91,19 @@ return {
       -- default list of enabled providers defined so that you can extend it
       -- elsewhere in your config, without redefining it, via `opts_extend`
       sources = {
+        default = {
+          'lsp',
+          'copilot',
+          'path',
+          'snippets',
+          'buffer',
+        },
         providers = {
           copilot = {
             name = 'copilot',
             module = 'blink-cmp-copilot',
           },
         },
-        completion = {
-          enabled_providers = {
-            'lsp',
-            'copilot',
-            'path',
-            'snippets',
-            'buffer',
-          },
-        },
       },
 
       -- experimental auto-brackets support