fontselect: remove outdated remark
fontselect: remove outdated remark

fontselect is an internal only API for now. That said, it also seems
much more sane to let library users deal with this resource management.

MrSmile/libass,astiob/libass,Akemi/libass,stps/libass,sanyaade-g2g-repos/libass,astiob/libass,Akemi/libass,torque/libass,libass/libass,sanyaade-g2g-repos/libass,xbmc/libass,ShiftMediaProject/libass,torque/libass,mwgoldsmith/libass,torque/libass,ShiftMediaProject/libass,stps/libass,mwgoldsmith/libass,Akemi/libass,MrSmile/libass,mwgoldsmith/libass,libass/libass,xbmc/libass,stps/libass,grigorig/libass,grigorig/libass,sanyaade-g2g-repos/libass