fixed operators schema output to work from only this file for OSS
fixed operators schema output to work from only this file for OSS

Summary: old diff had some changes to formatter.py and generator.py, but now everything is in github.py

Reviewed By: bwasti

Differential Revision: D5165061

fbshipit-source-id: 5fe5ff70ff2c5525c7aacf20854916c86d272749

sf-wind/caffe2,davinwang/caffe2,Yangqing/caffe2,bwasti/caffe2,xzturn/caffe2,davinwang/caffe2,Yangqing/caffe2,xzturn/caffe2,pietern/caffe2,sf-wind/caffe2,bwasti/caffe2,xzturn/caffe2,bwasti/caffe2,xzturn/caffe2,Yangqing/caffe2,sf-wind/caffe2,Yangqing/caffe2,sf-wind/caffe2,davinwang/caffe2,xzturn/caffe2,davinwang/caffe2,pietern/caffe2,caffe2/caffe2,sf-wind/caffe2,davinwang/caffe2,pietern/caffe2,Yangqing/caffe2,pietern/caffe2,bwasti/caffe2,pietern/caffe2,bwasti/caffe2