Revert "build: add server-side rendering check for ground overlay (#19188)"

This reverts commit 7f0cd2d.

Author: jelbourn

src/universal-app/kitchen-sink/kitchen-sink.html

@@ -408,12 +408,4 @@ <h2>Google Map</h2>
     strokeColor: 'grey',
     strokeOpacity: 0.8
   }"></map-circle>
-  <map-ground-overlay
-    url="https://angular.io/assets/images/logos/angular/angular.svg"
-    [bounds]="{
-      east: 30,
-      north: 15,
-      west: 10,
-      south: -5
-    }"></map-ground-overlay>
 </google-map>