Get rid of unused notification_badging_enabled configuration. am: e941d72380 am: adcd80a944 am: a2ff194216

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/11959139

Change-Id: I3b57d3e9ad947bf7c08aa480d738a61ac5464abe