Removing commented out @Property annotations from the drivers, protocols, pipelines and providers.

Change-Id: I4cabc5a53c93b778824c72cebbce0ec49700eade
diff --git a/incubator/protobuf/registry/src/main/java/org/onosproject/protobuf/registry/GrpcServiceRegistryImpl.java b/incubator/protobuf/registry/src/main/java/org/onosproject/protobuf/registry/GrpcServiceRegistryImpl.java
index 1e25b84..9935cdb 100644
--- a/incubator/protobuf/registry/src/main/java/org/onosproject/protobuf/registry/GrpcServiceRegistryImpl.java
+++ b/incubator/protobuf/registry/src/main/java/org/onosproject/protobuf/registry/GrpcServiceRegistryImpl.java
@@ -65,8 +65,7 @@
     clients of nonstandard port usage as there is no mechanism available to
     discover the port hosting gRPC services.
      */
-    @Property(name = PORT_PROPERTY_NAME, intValue = DEFAULT_SERVER_PORT,
-             label = "The port number which ONOS will use to host gRPC services.")
+    /** The port number which ONOS will use to host gRPC services. */
     private int listeningPort = DEFAULT_SERVER_PORT;
 
     @Activate