Revert "CTS for default background network restrictions"

This reverts commit a10d9668ebfad24242fa562245f54cccdd355748.

Reason for revert: AOSP change cannot merge due to downstream merge problems: The aconfig dependencies of this change in frameworks/base can not be made available in udc-mainline-prod.

Bug: 322115994
Change-Id: Ie9fb0a92f0fadb07f5933e1b74e84d343047c81c
17 files changed