Revert "SIO-1404 Implement registration of a new type of notification"

This reverts commit 4befb1b1d64b3c55b04bea36a496dab229dd54e5.

Change-Id: I3cee5e817e2f1b86c9d9948e4fd64ce0f533cd1c
Merge "Revert "SIO-1404 Implement registration of a new type of notification""