{hlr,hss}/pyhss/config: remove unused options
PyHSS had several unused config options. They have been removed
upstream, remove them from the osmo-ttcn3-hacks configs as well.
Related: https://github.com/nickvsnetworking/pyhss/pull/284
Change-Id: I87cf01e00fe0a3b32be9eaa4cf4c1ddf02cddc0b
