chore: update opencollective sponsors

index.pug

@@ -280,9 +280,6 @@ html(lang='en')
               <a rel="sponsored" href="https://onlinecasinoinformatie.com/">
                 <img class="sponsor" src="https://images.opencollective.com/ricardo-goncalves/3275f75/avatar/256.png" style="height: 100px">
               </a>
-              <a rel="sponsored" href="https://onlinecasinoplatz.com/">
-                <img class="sponsor" src="https://images.opencollective.com/onlinecasinoplatz-com/8f8b647/logo/256.png" style="height: 100px">
-              </a>
               <a rel="sponsored" href="https://www.turtlebet.com/fi/kaikki-nettikasinot.html">
                 <img class="sponsor" src="https://images.opencollective.com/turtlebet-nettikasinot/4799a27/logo/256.png" style="height: 100px">
               </a>
@@ -337,9 +334,6 @@ html(lang='en')
               <a rel="sponsored" href="https://www.nettikasinot.media/">
                 <img class="sponsor" src="https://images.opencollective.com/nettikasinot-media/2dba7da/logo/256.png" style="height: 100px">
               </a>
-              <a rel="sponsored" href="https://kajino.com/">
-                <img class="sponsor" src="https://images.opencollective.com/kajino-com/02c99ee/logo/256.png" style="height: 100px">
-              </a>
               <a rel="sponsored" href="https://www.leoboost.com/buy-instagram-likes">
                 <img class="sponsor" src="https://images.opencollective.com/leo-boost1/f744783/logo/256.png" style="height: 100px">
               </a>