Revert "Reload allowed networks from db after restore content."

Revert submission 26793542-backup_and_restore_for_enable_2g

Reason for revert: failing test
 - testBackupAndRestoreForAllowedNetworkTypesForReasons

Reverted changes: /q/submissionid:26793542-backup_and_restore_for_enable_2g

Change-Id: I02bbaea8cc01d1469a06b4d934c3b2b302262d05
1 file changed