This reverts commit95a29fb0af. Revert "Bug 2067218 - Stop the notification helper when the pref is disabled. r=aborondo,nrishel" This reverts commit476a507146. Revert "Bug 2067218 - Add a Nimbus-controlled pref gating the notification helper. r=iholmes" This reverts commitb71eec14bf. Revert "Bug 2067218 - Accept a --profile argument in the notification helper. r=aborondo,nrishel" This reverts commit9847f37108.