Remove speed feature of ext_interp experiment
Remove speed feature of ext_interp experiment

This is to facilitate the refactor process

Change-Id: I6faedb29129b47abefe20821dc3f32a43db149d8

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