qcacld-3.0: Remove obsolete 11d scan callback mechanism

SME exposes an 802.11d scan callback mechansim that was used by a
prior generation of the driver. The current generation no longer uses
this callback, so remove it.

Change-Id: I11b7916fd8244f3ba03ec73779a8c7e61c2a06ab
CRs-Fixed: 2273914
5 files changed