Remove feature3 from announcement

[mrubens]

Important

Remove feature3 announcement from Announcement.tsx and document as a patch update.

• Behavior:
  • Remove feature3 announcement from Announcement.tsx.
• Misc:
  • Add changeset young-dancers-sell.md to document the removal as a patch update.

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[delve-auditor]

✅ No security or compliance issues detected. Reviewed everything up to 763256a.

Security Overview

• 🔎 Scanned files: 2 changed file(s)

Detected Code Changes

Change Type	Relevant files
Enhancement	► Announcement.tsx     Remove feature3 announcement content

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