qcacld-3.0: Remove roc context when shutting down wlan during ssr

qcacld-2.0 to qcacld-3.0 Propagation.

Remain on channel context should be removed as p2p if wlan is
shutdown when roc is in progress, or else there will be status
inconsistency of roc and p2p will be hang up when system is
started again during ssr test.

CRs-Fixed: 2146132
Change-Id: Iae235cf27a7fe7949abd1b57e397bbe8e750976f