After ce9becae4c the "fake" initial retiming keys were not rendered
properly. Fix this by undoing the part of can_draw_retiming that
added check for SEQ_retiming_keys_count.
After ce9becae4c the "fake" initial retiming keys were not rendered
properly. Fix this by undoing the part of can_draw_retiming that
added check for SEQ_retiming_keys_count.