Revert "Launch floating notifications from notification panel (long click)"

This reverts commit 414cb173e1030fd146db7c1c219d6c8efd2346a2.
Launch floating notifications from notification panel (long click)

* Status bar - long click on notification select 'floating mode' option

Change-Id: Icf2915cf71f07d19cf8179ee5e561891b0a78e77