Solve issue where the default client isn't provided.

Author: paales

graphql-query.html

@@ -52,8 +52,6 @@ <h1>[[result.block.title]]</h1>
 -->
 
 <script>
-  window.PolymerApolloClient = window.PolymerApolloClient || {};
-
   class GraphQLQuery extends MatryoshkaLoaderMixin(Polymer.Element) {
     static get is() {
       return 'graphql-query';
@@ -193,7 +191,7 @@ <h1>[[result.block.title]]</h1>
          * Connect to a different client.
          */
         clientName: {
-          value: window.PolymerApolloClient.CLIENT_NAME_DEFAULT
+          value: CLIENT_NAME_DEFAULT
         },
 
         /**