Update index.mdx

Signed-off-by: Lee Calcote <lee.calcote@layer5.io>

Author: leecalcote

src/collections/events/2025/hacktoberfest-2025/index.mdx

@@ -55,5 +55,3 @@ Prepare for Hacktoberfest and ready yourself for contributing to CNCF projects t
     <li><Link to="/blog/open-source/ways-to-contribute-at-layer5">Code and Non-Code Contributing at Layer5</Link></li>
     <li><a href="https://github.com/issues?q=is%3Aopen%20is%3Aissue%20archived%3Afalse%20(org%3Alayer5io%20OR%20org%3Ameshery%20OR%20org%3Aservice-mesh-performance%20OR%20org%3Aservice-mesh-patterns%20OR%20org%3Alayer5labs%20OR%20org%3Ameshery-extensions)%20label%3Ahacktoberfest">Issues for Hacktoberfest</a></li>
 </ul>
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-<img src={hacktoberfestTheme} style="width: fit-content;"/>