feat(ActionList): remove modern actionlist FF

[francinelucca]

Relates to https://github.com/github/primer/issues/4997

Changed

• Rebuild SelectPanel snapshots

Removed

• FilteredActionListEntry
• ModernActionList test cases
• FilteredActionListWithDeprecatedActionList.tsx
• ModernActionList usage throughout the codebase

Rollout strategy

• [x] Patch release
• [ ] Minor release
• [ ] Major release; if selected, include a written rollout or migration plan
• [ ] None; if selected, include a brief description as to why

Testing & Reviewing

Merge checklist

• [x] Added/updated tests
• [ ] Added/updated documentation
• [x] Added/updated previews (Storybook)
• [ ] Changes are SSR compatible
• [x] Tested in Chrome
• [ ] Tested in Firefox
• [ ] Tested in Safari
• [ ] Tested in Edge
• [ ] (GitHub staff only) Integration tests pass at github/github (Learn more about how to run integration tests)

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: 980d8493b5f754fdbda19f90485e447ddb65f931

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@primer/react	Patch

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[github-actions[bot]]

:wave: Hi, this pull request contains changes to the source code that github/github depends on. If you are GitHub staff, we recommend testing these changes with github/github using the integration workflow. Thanks!

[github-actions[bot]]

size-limit report 📦

Path	Size
packages/react/dist/browser.esm.js	95.9 KB (-2.82% 🔽)
packages/react/dist/browser.umd.js	96.11 KB (-2.84% 🔽)

[primer-integration[bot]]

:wave: Hi from github/github! Your integration PR is ready: https://github.com/github/github/pull/376702

[primer-integration[bot]]

🔴 golden-jobs completed with status failure.

[github-actions[bot]]

Hi! This pull request has been marked as stale because it has been open with no activity for 60 days. You can comment on the pull request or remove the stale label to keep it open. If you do nothing, this pull request will be closed in 7 days.