Clean up junk file from previous commit.
Clean up junk file from previous commit.

istio/old_mixer_repo,douglas-reid/mixer,rkpagadala/mixer,mandarjog/mixer,rkpagadala/mixer,guptasu/mixer,ZackButcher/mixer,douglas-reid/mixer,xiaolanz/mixer,xiaolanz/mixer,mandarjog/mixer,guptasu/mixer,mandarjog/mixer,ZackButcher/mixer,jmuk/mixer,jmuk/mixer,jmuk/mixer,douglas-reid/mixer,guptasu/mixer,istio/old_mixer_repo,rkpagadala/mixer,ZackButcher/mixer,istio/old_mixer_repo,xiaolanz/mixer