Remove unused macro from PVQ code
Remove unused macro from PVQ code

Change-Id: Ic01ba6097a8fe865d2d7e156bd600e58b63814d1

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