Disable kafka app build for now in Bazel until GRPC is ready

Change-Id: I365525b89b1243e0c9fe12282b8df8e973fc5cbc
diff --git a/apps/kafka-integration/BUILD b/apps/kafka-integration/BUILD
index e3d3ee5..c0b04d9 100644
--- a/apps/kafka-integration/BUILD
+++ b/apps/kafka-integration/BUILD
@@ -9,11 +9,11 @@
     "//apps/kafka-integration/app:onos-apps-kafka-integration-app",
 ]
 
-onos_app (
-  title = "Kafka Integration",
-  category = "Integration",
-  url = "http://onosproject.org",
-  description = "Provides integration of ONOS and Kafka message bus so that internal ONOS events " +
-    "can be broadcast over the Kafka message bus to off-platform applications.",
-  included_bundles = BUNDLES,
-)
+#onos_app (
+#  title = "Kafka Integration",
+#  category = "Integration",
+#  url = "http://onosproject.org",
+#  description = "Provides integration of ONOS and Kafka message bus so that internal ONOS events " +
+#    "can be broadcast over the Kafka message bus to off-platform applications.",
+#  included_bundles = BUNDLES,
+#)