Revert "[Bugfix][API-959][T800]fix when stop sta,wlan0 didn't free ip"

This reverts commit feb0a7ed4a0e646030cc2dbc004fbcf06cd49150.

Reason for revert: <INSERT REASONING HERE>

Change-Id: I39761103c8085ae73f042d4583dfb80b02f76f4b
1 file changed