Revert "Tell netd about local networks"

Revert submission 2777667

Reason for revert: DroidMonitor-triggered revert due to breakage, bug b/305187495

Reverted changes: /q/submissionid:2777667

Bug: 305187495

Change-Id: Icb46558d17b56f9f6fd402f1489de9ed2b8f7644