refactor(bazel): Remove schematics and builder from package.json (angular#37190)

This commit removes the fields for ng-add, schematics and builder from package.json of `@angular/bazel`. PR Close angular#37190

Author: Keen Yee Liau

packages/bazel/package.json

@@ -50,15 +50,10 @@
  "url": "https://github.com/angular/angular.git",
  "directory": "packages/bazel"
  },
- "builders": "./src/builders/builders.json",
- "schematics": "./src/schematics/collection.json",
- "ng-add": {
- "save": "devDependencies"
- },
  "ng-update": {
  "packageGroup": "NG_UPDATE_PACKAGE_GROUP"
  },
  "publishConfig": {
  "registry": "https://wombat-dressing-room.appspot.com"
  }
-}
+}