Revert "Add back a helper pref that holds a system setting."

This reverts commit b004c7976671eec4a3413592b699f58888c4a009.
Revert "test fix for dt2s & qs quick pulldown"

This reverts commit 83d4c3d0492590dcd2a6d1f5552ff2a36b4022c8.
Revert "double tap to sleep to rastapop settings"

This reverts commit dff2581b29f0386901604eaef6246bfb36bd425c.
Revert "Settings: add quick-quick settings pulldown setting"

This reverts commit 391dcdb1c5d59d49aa1cc137106fb6ac2bbfc0db.