Revert "caffe provides a python script to convert *.prototxt to *.png format. add install instructions for it."

This reverts commit 2bf7a1b.

Author: vera121

README.md

@@ -1,4 +1,3 @@
-
 # Synopsys Caffe
 
 [![Build Status](https://travis-ci.org/foss-for-synopsys-dwc-arc-processors/synopsys-caffe.svg?branch=master)](https://travis-ci.org/foss-for-synopsys-dwc-arc-processors/synopsys-caffe)
@@ -35,13 +34,6 @@ export SYNOPSYS_CAFFE_HOME=[your synopsys-caffe root folder path]
 export PATH=${SYNOPSYS_CAFFE_HOME}/build/tools:${PATH}
 export PYTHONPATH=${SYNOPSYS_CAFFE_HOME}/python:${PYTHONPATH}
 ```
-5. display *.prototxt as a image.
-# caffe provides a python script to convert *.prototxt to *.png format.
-sudo yum install python-pydot
-sudo yum install graphviz
-python ${SYNOPSYS_CAFFE_HOME}/python/draw_net.py ${SYNOPSYS_CAFFE_HOME}/examples/cifar10/cifar10_quick_train_test.prototxt cifar10.png
-display cifar10.png
-
 
 ### Windows
 A simple guide: