fix: remove unused CodeQL imports

[sbolel]

Summary

• remove the unused MarkdownHighlighter import from src/App.tsx
• remove the unused useAnimation import from src/components/CursorSparkles.tsx

Validation

• npm ci --cache /private/tmp/paste-to-markdown-npm-cache
• npm run typecheck
• npm run build
• npm run lint
• rg "MarkdownHighlighter|useAnimation" src
• rg "import { MarkdownHighlighter } from '@/components/MarkdownHighlighter'|useAnimation" src/App.tsx src/components/CursorSparkles.tsx

[Copilot]

Pull request overview

Removes unused imports that were flagged by CodeQL/linting, reducing dead code and keeping the import surface minimal.

Changes:

• Removed unused useAnimation import from CursorSparkles.
• Removed unused MarkdownHighlighter import from App.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
src/components/CursorSparkles.tsx	Drops unused useAnimation import from framer-motion.
src/App.tsx	Drops unused MarkdownHighlighter import.

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[github-actions]

🎉 This PR is included in version 1.0.0 🎉

The release is available on GitHub release

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