Remove ref frame condition check from mfmv
Remove ref frame condition check from mfmv

This does not affect the coding performance or hw throughput. It
prepares for sw decoder speed up.

Change-Id: I5965ba2269e8d843f562b63ccaade7df3429f4f5

GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom