Implemented [Obsolete] attribute for deprecated fields
diff --git a/src/AddressBook/AddressBookProtos.cs b/src/AddressBook/AddressBookProtos.cs
index 4d391f0..dba3bdf 100644
--- a/src/AddressBook/AddressBookProtos.cs
+++ b/src/AddressBook/AddressBookProtos.cs
@@ -1,5 +1,5 @@
// Generated by ProtoGen, Version=2.3.0.277, Culture=neutral, PublicKeyToken=17b3b1f090c3ea48. DO NOT EDIT!
-#pragma warning disable 1591
+#pragma warning disable 1591, 0612
#region Designer generated code
using pb = global::Google.ProtocolBuffers;