qcacld-3.0: Remove typedef tSirSmeRoamOffloadSynchCnf

Change I4af569b1e3020a64beb606e8bbffd7613775138f ("qcacld-3.0:
Optimize LFR3 roam synch propagation") removed all logic which used
the tSirSmeRoamOffloadSynchCnf typedef. Since this typedef is now
obsolete, remove it.

Change-Id: I42a49d35d170cbd28b9dcbae3906affbc3f46b17
CRs-Fixed: 2396069
1 file changed