qcacld-3.0: Remove obsolete hdd_context_lock

The functionality previously synchronized by the hdd_context_lock has
migrated to the OSIF Request Manager, and the hdd_context_lock is no
longer used. Since it is obsolete, remove it.

Change-Id: Ibb807eeec5e5a20a39596cdb1b068ea5cca9d2d3
CRs-Fixed: 2400777
2 files changed