Security: Remove Font Awesome Conflict Detection

[zhen0]

Description

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Resolve https://github.com/PrefectHQ/ui/security/code-scanning/123

Linked Issues

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Tests and performance

• [ ] Changes to any .js files are covered by existing tests or this PR adds new tests (if not please explain why below)
• [ ] No new packages are added or package size and performance considerations are discussed below

• [ ] PR Title fits our changelog format

  Releases/Changelog cuts only

• [ ] Completed the QA Checklist in staging