Revert "Add config_restartRadioAfterProvisioning to AT&T mcc/mnc's"

Supporing changes didn't make it into r1.2, add later

This reverts commit 9354fd240b7dae47f202f460654c7467c5cee2a1.

Change-Id: Ie26928613f3d615e9d152dfef6ebdc4567674291