Revert "InCallUI: Add phone number service"

This reverts commit 88d19f23f9a311bb4880bc38535037a3541a5371.

Change-Id: Ic43d041f50179200bfd81e803caaa71cc3395695
Not using the PhoneNumberService API for reverse lookups anymore

Change-Id: I75c2a4f5241a5bef5fd78610758629f7543bc4da