Fix CLI help for headnode_{create,delete}_hnic
Fix CLI help for headnode_{create,delete}_hnic

henn/haas,henn/hil,meng-sun/hil,meng-sun/hil,henn/hil_sahil,henn/hil,SahilTikale/switchHaaS,kylehogan/hil,CCI-MOC/haas,kylehogan/hil,lokI8/haas,henn/hil_sahil,kylehogan/haas,apoorvemohan/haas,apoorvemohan/haas,SahilTikale/haas