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

Change-Id: I4cabc5a53c93b778824c72cebbce0ec49700eade
diff --git a/protocols/grpc/ctl/src/main/java/org/onosproject/grpc/ctl/OsgiPropertyConstants.java b/protocols/grpc/ctl/src/main/java/org/onosproject/grpc/ctl/OsgiPropertyConstants.java
new file mode 100644
index 0000000..576d1da
--- /dev/null
+++ b/protocols/grpc/ctl/src/main/java/org/onosproject/grpc/ctl/OsgiPropertyConstants.java
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.grpc.ctl;
+
+/**
+ * Constants for default values of configurable properties.
+ */
+public final class OsgiPropertyConstants {
+
+    private OsgiPropertyConstants() {}
+
+    public static final String ENABLE_MESSAGE_LOG = "enableMessageLog";
+    public static final boolean ENABLE_MESSAGE_LOG_DEFAULT = false;
+
+}