Remove unnecessary lines from landing page examples

Author: mziccard

src/site/resources/index.html

@@ -142,16 +142,15 @@ <h4>Example: Retrieve Datastore Entries</h4>
 import com.google.gcloud.datastore.Key;
 import com.google.gcloud.datastore.KeyFactory;
 
-
 // Authentication is automatic inside Google Compute Engine
 // and Google App Engine.
 DatastoreOptions options = DatastoreOptions.builder().build();
-
 Datastore datastore = DatastoreFactory.instance().get(options);
 KeyFactory keyFactory = datastore.newKeyFactory().kind(<span class="hljs-string">KIND</span>);
 Key key = keyFactory.newKey(keyName);
 Entity entity = datastore.get(key);
 
+
 </code></pre></div>
 
                     <div hljs="" language="java" ng-show="selected == 'elsewhere'" class=""><pre>
@@ -167,7 +166,6 @@ <h4>Example: Retrieve Datastore Entries</h4>
   .projectId(<span class="hljs-string">PROJECT_ID</span>)
   .authCredentials(AuthCredentials.createForJson(
     new FileInputStream(<span class="hljs-string">PATH_TO_JSON_KEY</span>))).build();
-
 Datastore datastore = DatastoreFactory.instance().get(options);
 KeyFactory keyFactory = datastore.newKeyFactory().kind(<span class="hljs-string">KIND</span>);
 Key key = keyFactory.newKey(keyName);