- replaces the sha256 calculation with an alternative implementation that seems to use more uniform time-taken across different platforms
- goes back to the simpler difficulty calculation without a "partial" difficulty level
Reviewed-on: https://codeberg.org/superseriousbusiness/gotosocial/pulls/4096
Co-authored-by: kim <grufwub@gmail.com>
Co-committed-by: kim <grufwub@gmail.com>