[Search] Remove unused dependency

Remove unused dependency from generic search worker,
avoids WTD-1511.

platform/search/bundle.json

@@ -26,9 +26,8 @@
         "workers": [
             {
                 "key": "genericSearchWorker",
-                "scriptUrl": "GenericSearchWorker.js",
-                "depends": [ "objectService" ]
+                "scriptUrl": "GenericSearchWorker.js"
             }
         ]
     }
-}
+}