Remove calendar ICS file reference from Hacktoberfest 2025 event details

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

Author: leecalcote

src/collections/events/2025/hacktoberfest-2025/hacktoberfest-2025-kickoff-designing-with-meshery.ics.zip

@@ -17,7 +17,6 @@ import hacktoberfestBadge from "./layer5-hacktoberfest25-badge.png";
 import hacktoberfestFirstPR from "./hacktoberfest-layer5-first-pr.webp";
 import hacktoberfestOpenArms from "./hacktoberfest-layer5-open-arms.webp";
 import hacktoberfestTheme from "./hacktoberfest-meshery-theme.webp";
-import calenderICS from "./hacktoberfest-2025-kickoff-designing-with-meshery.ics.zip";
 
 <p>
 <Link to="/programs/hacktoberfest">Hacktoberfest</Link> is just around the corner, and it’s an exciting opportunity to get involved in Layer5 projects. You might be surprised to learn how even small contributions can make a meaningful impact on a project. As projects grow, issues can easily go unnoticed, and your efforts in resolving them can truly make a difference while also helping you grow as a contributor.
@@ -40,7 +39,6 @@ Prepare for Hacktoberfest and ready yourself for contributing to CNCF projects t
     <li><strong>TIME: </strong> 14:00 UTC (9AM CDT | 4PM CEST | 3PM WAT | 7:30PM IST)</li>
     {/* <li><strong>LIVESTREAM:</strong> <a href="https://www.youtube.com/watch?v=iKe52yMWWK4">YouTube</a></li> */}
      <li><strong>LIVESTREAM:</strong> <a href="https://youtube.com/live/1-oaEy0Pm5I?feature=share">Livestream</a></li>
-    <li><strong>CALENDAR:</strong> <a href={calenderICS}>.ics</a></li>
 </ul>
 
 <p> Resources:</p>