Remove --runner option from __main__.py (#64347)
Remove --runner option from __main__.py (#64347)

* Remove --runner option from __main__.py

* Update homeassistant/__main__.py

Co-authored-by: Joakim Sørensen <c67a9b807ac36194d7e87dabd5a3f4cbcb8600d9@gmail.com>

* Always check for lingering threads

Co-authored-by: Joakim Sørensen <c67a9b807ac36194d7e87dabd5a3f4cbcb8600d9@gmail.com>
nkgilley/home-assistant,rohitranjan1991/home-assistant,GenericStudent/home-assistant,toddeye/home-assistant,nkgilley/home-assistant,rohitranjan1991/home-assistant,mezz64/home-assistant,toddeye/home-assistant,w1ll1am23/home-assistant,mezz64/home-assistant,GenericStudent/home-assistant,rohitranjan1991/home-assistant,w1ll1am23/home-assistant