chore: remove inactive sponsors

Author: kamilmysliwiec

src/app/homepage/homepage.component.html

@@ -50,27 +50,13 @@ <h4 class="title">Principal Sponsors</h4>
                 class="logo-sponsor logo-sponsor--slim"
               />
             </a>-->
-            <a href="https://marblism.com?utm_source=nest" target="_blank" class="logo-sponsor-container">
-              <img
-                src="/assets/sponsors/marblism-logo.png"
-                alt="Marblism Logo"
-                class="logo-sponsor"
-              />
-            </a>
             <a href="https://mojam.co" target="_blank" class="logo-sponsor-container">
               <img
                 src="/assets/sponsors/mojam-logo.png"
                 alt="Mojam Logo"
                 class="logo-sponsor logo-sponsor--slim"
               />
             </a>
-            <a href="https://amplication.com/" target="_blank" class="logo-sponsor-container">
-              <img
-                src="/assets/sponsors/amplication.svg"
-                alt="Amplication Logo"
-                class="logo-sponsor"
-              />
-            </a>
           </div>
           <div class="inline-column">
             <h4 class="title">Sponsors / Partners</h4>