Update Keras Benchmarks README

hpvm/test/dnn_benchmarks/keras/README.md

-# Keras Frontend 
+# Keras Benchmarks
 
-## Requirements 
-
-* python >= 3.6
-* pip >= 9
 
 ## Installing the Keras Frontend Package
 
-At the root of this project (`/projects/keras/`) install the Keras frontend pip package as:
+Instructions for Installing the Keras Frontend are [here](https://gitlab.engr.illinois.edu/llvm/hpvm/-/blob/approx_hpvm_reorg_keras/hpvm/projects/keras/README.md)
 
-```
-pip install -e .
-```
 
 ## Download CNN Model Files