Remove profanity filter

[malini]

Is your feature request related to a problem? Please describe.
Maintaining a profanity list isn't a tenable solution for us, so we'll remove it and rely on user reports for any misuse.

Describe the solution you'd like
Remove existing profanity filter

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Stemming from this issue