Revert "Fix startTetheredHotspot failure during SAP teardown"

This reverts commit 86e22d166e2313ea9131423c9e8270e8eb41351c.

Reason for revert: This CL has been found via bisection to be the root cause of the Droidfood blocking bug: b/345688885.

Change-Id: Iade50d9cd173abebb28d4256e3a493d6137b74a4