Remove OBMC from the experimental configure list
Remove OBMC from the experimental configure list

It was replaced by MOTION_VAR in commit cb60b18

Change-Id: I7ab625eef4dbae2e5585d9fa3b6873aa78b2c254

mbebenita/aom,luctrudeau/aom,mbebenita/aom,mbebenita/aom,mbebenita/aom,smarter/aom,GrokImageCompression/aom,mbebenita/aom,GrokImageCompression/aom,smarter/aom,smarter/aom,smarter/aom,GrokImageCompression/aom,mbebenita/aom,luctrudeau/aom,smarter/aom,mbebenita/aom,mbebenita/aom,GrokImageCompression/aom,luctrudeau/aom,luctrudeau/aom,luctrudeau/aom,mbebenita/aom,GrokImageCompression/aom,GrokImageCompression/aom,luctrudeau/aom,smarter/aom