fixed bug in CodeGenerator.m: no-friction robot copy removed
fixed bug in CodeGenerator.m: no-friction robot copy removed

jaejunlee0538/robotics-toolbox-matlab,konradb3/robotics-toolbox-matlab,yasha0b1/robotics-toolbox-matlab,yasha0b1/robotics-toolbox-matlab,jaejunlee0538/robotics-toolbox-matlab,jaejunlee0538/robotics-toolbox-matlab,jaejunlee0538/robotics-toolbox-matlab,yasha0b1/robotics-toolbox-matlab,konradb3/robotics-toolbox-matlab,yasha0b1/robotics-toolbox-matlab,yasha0b1/robotics-toolbox-matlab,jaejunlee0538/robotics-toolbox-matlab,konradb3/robotics-toolbox-matlab,konradb3/robotics-toolbox-matlab,konradb3/robotics-toolbox-matlab