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-server/package.json

@@ -28,8 +28,5 @@
   "sideEffects": false,
   "engines": {
     "node": ">=8.0"
-  },
-  "publishConfig":{
-    "registry":"https://wombat-dressing-room.appspot.com"
   }
 }