chore, kick wavegoodbye() checks altogether

Seeing as they've never been a part of twsapi (really).

Signed-off-by: Sebastian Freundt <hroptatyr@fresse.org>
chore, alias wavegoodbye locally for tws_stop()

Signed-off-by: Sebastian Freundt <hroptatyr@fresse.org>
Merge branch 'bld/twsapi' into next

* bld/twsapi:
  chore, alias wavegoodbye locally for tws_stop()
  chore, kick wavegoodbye() checks altogether