build: remove wombot proxy registry from package.jsons for release (#37378)

Due to an outage with the proxy we rely on for publishing, we need
to temporarily directly publish to NPM using our own angular
credentials again.

PR Close #37378

packages/platform-browser-dynamic/package.json

@@ -21,8 +21,5 @@
   "ng-update": {
     "packageGroup": "NG_UPDATE_PACKAGE_GROUP"
   },
-  "sideEffects": false,
-  "publishConfig":{
-    "registry":"https://wombat-dressing-room.appspot.com"
-  }
+  "sideEffects": false
 }