Deprecate CNNModelHelper in lmdb_create_example
Deprecate CNNModelHelper in lmdb_create_example

Reviewed By: akyrola

Differential Revision: D5233793

fbshipit-source-id: bae745791f071bc36fd45bd81145ce86c8ba9ed0

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