Update README.setup.linux

Author: brettin

README.setup.linux

@@ -21,9 +21,6 @@ conda install -y -c anaconda pandas
 conda install -y -c anaconda scikit-learn 
 conda install -y -c anaconda matplotlib
 conda install -y -c conda-forge pygpu
-
-# Install additional modules for Pilot2 benchmarks
-conda install -c conda-forge opencv
 conda update -c conda-forge numpy
 
 # Download the source files for the benchmarks