chore: Remove doctrine GitHub source

The deprecated feature of DoctrineBundle has been migrated.

Author: pan93412

composer.json

@@ -5,12 +5,6 @@
   "license": "AGPL-3.0-or-later",
   "minimum-stability": "dev",
   "prefer-stable": false,
-  "repositories": [
-    {
-      "type": "vcs",
-      "url": "https://github.com/doctrine/DoctrineBundle"
-    }
-  ],
   "require": {
     "php": ">=8.3",
     "ext-ctype": "*",