Removed useless method
Removed useless method

get_queryset of ShiftTemplateAdmin was of no use (any more)

alper/volunteer_planner,klinger/volunteer_planner,coders4help/volunteer_planner,pitpalme/volunteer_planner,alper/volunteer_planner,klinger/volunteer_planner,volunteer-planner/volunteer_planner,pitpalme/volunteer_planner,alper/volunteer_planner,christophmeissner/volunteer_planner,christophmeissner/volunteer_planner,christophmeissner/volunteer_planner,volunteer-planner/volunteer_planner,flindenberg/volunteer_planner,coders4help/volunteer_planner,pitpalme/volunteer_planner,flindenberg/volunteer_planner,volunteer-planner/volunteer_planner,klinger/volunteer_planner,coders4help/volunteer_planner,klinger/volunteer_planner,christophmeissner/volunteer_planner,coders4help/volunteer_planner,pitpalme/volunteer_planner,flindenberg/volunteer_planner,volunteer-planner/volunteer_planner