Removed unnecessary code

Dockerfile

@@ -36,11 +36,5 @@ RUN sudo apt-get install -y libignition-math2-dev && \
     sudo apt-get update && \
     sudo apt-get install -y gazebo7 
 
-#RUN wget -q "http://acme.able.cs.cmu.edu/public/BRASS/deployment/gazebo7_vm_mods.zip" && \
-#    unzip gazebo7_vm_mods.zip  && \
-#    sudo cp -r --no-preserve=mode,ownership gazebo_mods/usr/* /usr && \
-#    rm -r gazebo_mods gazebo7_vm_mods.zip && \
-#    sudo chmod +x /usr/bin/gazebo-7.0.0 /usr/bin/gzclient-7.0.0 /usr/bin/gzserver-7.0.0 /usr/bin/gz-7.0.0
-
 # use a modified entrypoint script
 ADD entrypoint.sh entrypoint.sh