message: Remove now-unnecessary python packages from Python 2 Dockerfile because some packages no longer support Python 2
diff: @@ -52,16 +52,11 @@ RUN apt-get update && apt-get install -y \
  RUN updatedb
  # six, enum34 and mock are required for building the tensorflow wheel
  -# scipy, portpicker, and sklearn are needed by some TensorFlow tests
  # keras_applications and keras_preprocessing are needed for modern TensorFlow builds
  -# matplotlib and librosa are needed to run inference models
  -# opencv-python is used by some inference models (for import cv2)
  # yapf and futures are needed for code-format checks (ngraph-tf PR#211)
  RUN pip install --upgrade pip
  RUN pip install six enum34 mock
  -RUN pip install scipy portpicker sklearn
  RUN pip install keras_applications keras_preprocessing
  -RUN pip install matplotlib librosa opencv-python
  RUN pip install yapf==0.26.0
  RUN pip install futures
  