Unsubscribe SemanticFormsDisplayTitle, as it will be deleted

Change-Id: Ie389c5c9b6965c56c9186c6faeb3ee36815a028a
(cherry picked from commit dc88e611bb661822b573b0ab8c6ce6183906bb16)
Merge "Unsubscribe SemanticFormsDisplayTitle, as it will be deleted" into REL1_23