Delete the handwritten Message type (#1506)

* Delete the handwritten Message type

Author: pongad

google-cloud-examples/src/main/java/com/google/cloud/examples/pubsub/PubSubExample.java

@@ -19,7 +19,6 @@
 import com.google.cloud.Identity;
 import com.google.cloud.Policy;
 import com.google.cloud.Role;
-import com.google.cloud.pubsub.Message;
 import com.google.cloud.pubsub.PubSub;
 import com.google.cloud.pubsub.PubSubOptions;
 import com.google.cloud.pubsub.PushConfig;

google-cloud-examples/src/main/java/com/google/cloud/examples/pubsub/snippets/PubSubSnippets.java

@@ -27,7 +27,6 @@
 import com.google.cloud.Page;
 import com.google.cloud.Policy;
 import com.google.cloud.Role;
-import com.google.cloud.pubsub.Message;
 import com.google.cloud.pubsub.PubSub;
 import com.google.cloud.pubsub.PubSub.ListOption;
 import com.google.cloud.pubsub.PushConfig;

google-cloud-examples/src/main/java/com/google/cloud/examples/pubsub/snippets/SubscriptionSnippets.java

@@ -25,7 +25,6 @@
 import com.google.cloud.Identity;
 import com.google.cloud.Policy;
 import com.google.cloud.Role;
-import com.google.cloud.pubsub.Message;
 import com.google.cloud.pubsub.PushConfig;
 import com.google.cloud.pubsub.Subscription;
 

google-cloud-examples/src/main/java/com/google/cloud/examples/pubsub/snippets/TopicSnippets.java

@@ -27,7 +27,6 @@
 import com.google.cloud.Page;
 import com.google.cloud.Policy;
 import com.google.cloud.Role;
-import com.google.cloud.pubsub.Message;
 import com.google.cloud.pubsub.PubSub.ListOption;
 import com.google.cloud.pubsub.SubscriptionId;
 import com.google.cloud.pubsub.Topic;

google-cloud-examples/src/test/java/com/google/cloud/examples/pubsub/snippets/ITSubscriptionSnippets.java

@@ -25,7 +25,6 @@
 import com.google.cloud.Identity;
 import com.google.cloud.Policy;
 import com.google.cloud.Role;
-import com.google.cloud.pubsub.Message;
 import com.google.cloud.pubsub.PubSub;
 import com.google.cloud.pubsub.PubSubOptions;
 import com.google.cloud.pubsub.Subscription;
@@ -47,8 +46,6 @@ public class ITSubscriptionSnippets {
       "it-subscription-snippets-topic-" + UUID.randomUUID().toString();
   private static final String SUBSCRIPTION =
       "it-subscription-snippets-subscription-" + UUID.randomUUID().toString();
-  private static final Message MESSAGE1 = Message.of("message1");
-  private static final Message MESSAGE2 = Message.of("message2");
 
   private static PubSub pubsub;
   private static Topic topic;