ShellANCF: clean up comments
ShellANCF: clean up comments

tjolsen/chrono,dariomangoni/chrono,dariomangoni/chrono,Milad-Rakhsha/chrono,dariomangoni/chrono,amelmquist/chrono,rserban/chrono,armanpazouki/chrono,rserban/chrono,amelmquist/chrono,tjolsen/chrono,andrewseidl/chrono,Bryan-Peterson/chrono,rserban/chrono,dariomangoni/chrono,rserban/chrono,dariomangoni/chrono,andrewseidl/chrono,jcmadsen/chrono,Bryan-Peterson/chrono,jcmadsen/chrono,projectchrono/chrono,projectchrono/chrono,Bryan-Peterson/chrono,andrewseidl/chrono,armanpazouki/chrono,Bryan-Peterson/chrono,amelmquist/chrono,tjolsen/chrono,jcmadsen/chrono,armanpazouki/chrono,Bryan-Peterson/chrono,jcmadsen/chrono,projectchrono/chrono,Milad-Rakhsha/chrono,projectchrono/chrono,jcmadsen/chrono,andrewseidl/chrono,projectchrono/chrono,tjolsen/chrono,jcmadsen/chrono,jcmadsen/chrono,projectchrono/chrono,Milad-Rakhsha/chrono,amelmquist/chrono,dariomangoni/chrono,armanpazouki/chrono,Milad-Rakhsha/chrono,rserban/chrono,Milad-Rakhsha/chrono,armanpazouki/chrono,rserban/chrono,amelmquist/chrono,Milad-Rakhsha/chrono,rserban/chrono,andrewseidl/chrono,armanpazouki/chrono,amelmquist/chrono,tjolsen/chrono