更新 'coffeesystem.sh'

coffeesystem.sh

@@ -156,7 +156,6 @@ rosdep update
 sudo apt-get install python-rosinstall -y
 sudo apt-get install python-rosinstall-generator -y
 sudo apt-get install python-wstool -y
-sudo apt-get install build-essential -y
 #setup
 source /opt/ros/melodic/setup.bash
 echo "source /opt/ros/melodic/setup.bash" >> ~/.bashrc