Fix obsolete crispy-forms references in UI styleguide

[lunkwill42]

Fixes #3180

@podliashanyk may have other suggestions or improvements, but she's on vacation, and we want to remove the original wording before we make a new release. This can easily be improved further at a later date.

[github-actions[bot]]

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ PYTHON	black	991		0	13.24s
✅ PYTHON	ruff	987		0	0.1s

See detailed report in MegaLinter reports

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[github-actions[bot]]

Test results

    9 files      9 suites   8m 31s ⏱️ 2 139 tests 2 139 ✅ 0 💤 0 ❌ 4 017 runs  4 017 ✅ 0 💤 0 ❌

Results for commit 2c1a9ae0.

:recycle: This comment has been updated with latest results.

[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 60.39%. Comparing base (5937b2a) to head (2c1a9ae). Report is 29 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #3227 +/- ## ======================================= Coverage 60.39% 60.39% ======================================= Files 605 605 Lines 43687 43687 Branches 48 48 ======================================= Hits 26383 26383 Misses 17292 17292 Partials 12 12 ```

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