Remove password encryption

[thePeras]

Closes #1249

Review checklist

• Terms and conditions reflect the current change
• Contains enough appropriate tests
• If aimed at production, writes a new summary in whatsnew/whatsnew-pt-PT
• Properly adds an entry in changelog.md with the change
• If PR includes UI updates/additions, its description has screenshots
• Behavior is as expected
• Clean, well-structured code

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.

Project coverage is 17%. Comparing base (ad5568e) to head (289cd19).

Additional details and impacted files

@@           Coverage Diff           @@
##           develop   #1259   +/-   ##
=======================================
+ Coverage       17%     17%   +1%     
=======================================
  Files          229     229           
  Lines         6965    6953   -12     
=======================================
  Hits          1149    1149           
+ Misses        5816    5804   -12