Remove password Formio component

[sergei-maertens]

Part of #3283

This component never made sense, it was only added reluctantly because the original programme of requirements specified it.

Passwords being stored in plain text are a terrible, terrible idea. Nobody should have every actually used this in a real form.

Checklist

Check off the items that are completed or not relevant.

• Impact on features

  • Checked copying a form
  • Checked import/export of a form
  • Config checks in the configuration overview admin page
  • Problem detection in the admin email digest is handled

• Release management

  • I have labelled the PR as "needs-backport" accordingly

• I have updated the translations assets (you do NOT need to provide translations)

  • Ran ./bin/makemessages_js.sh
  • Ran ./bin/compilemessages_js.sh

• Commit hygiene

  • Commit messages refer to the relevant Github issue
  • Commit messages explain the "why" of change, not the how

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.58%. Comparing base (e4fb7bb) to head (1e1cb1a).
Report is 25 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4842      +/-   ##
==========================================
- Coverage   96.58%   96.58%   -0.01%     
==========================================
  Files         749      749              
  Lines       25531    25519      -12     
  Branches     3376     3375       -1     
==========================================
- Hits        24659    24647      -12     
  Misses        608      608              
  Partials      264      264              

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[vaszig]

What about the existing Password components?Could we have a problem (I cannot think of something but just to make sure)?

[sergei-maertens]

What about the existing Password components?Could we have a problem (I cannot think of something but just to make sure)?

Formio will render "Unknown component type 'password'" or something along those lines. But we've never actually seen anyone use this component (which restores my faith in humanity a little)