Removed some more unneeded code from haas.headnode.
Removed some more unneeded code from haas.headnode.

These were just stubs, which were never implemented and don't need to be.

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