Poly code should be refactored

[BriggsIDP]

Describe the feature request

Currently a large portion of /Poly code centered around headsets are inside of it parent /mob/living/simple_animal/parrot this should be moved, so talking remains in /simple_animal/parrot, but poly is the only one who would get a headset

[github-actions[bot]]

This issue has been inactive for long enough to be automatically marked as stale. If this was a bug report and hasn't been addressed yet, and is still a problem, please don't hesitate to notify a maintainer.