Stop ThunderBird Chat feature

IRC its better to be used with hexchat and gajim for jabber and tbb for any website. using ThunderBird not really recommended as there is no hardened version for its features.

https://forums.whonix.org/uploads/default/optimized/2X/3/35c8000187f253fb2dcd7f7fe371a695d4d55e8e_1_690x454.png

Trac:
Username: bo0od