Revert "[website] Add new sponsors to the homepage (#42632)"

This reverts commit 662a3d5.

README.md

@@ -77,7 +77,6 @@ via [Open Collective](https://opencollective.com/mui-org) or via [Patreon](http
   <a href="https://megafamous.com/?utm_source=MUI&utm_medium=referral&utm_content=readme" rel="noopener sponsored" target="_blank"><img height="96" width="96" src="https://mui.com/static/sponsors/megafamous.png" alt="megafamous.com" title="MegaFamous: Buy Instagram followers and likes." loading="lazy" /></a>
   <a href="https://www.dialmycalls.com/?utm_source=MUI&utm_medium=referral&utm_content=readme" rel="noopener sponsored" target="_blank"><img height="96" width="96" src="https://images.opencollective.com/dialmycalls/f5ae9ab/avatar/288.png" alt="dialmycalls.com" title="DialMyCalls: Send text messages, calls, and emails." loading="lazy" /></a>
   <a href="https://goread.io/?utm_source=MUI&utm_medium=referral&utm_content=readme" rel="noopener sponsored" target="_blank"><img height="96" width="96" src="https://images.opencollective.com/goread_io/eb6337d/logo/288.png" alt="goread.io" title="Goread.io: Instagram followers, likes, views, and comments." loading="lazy" /></a>
-  <a href="https://viralyft.com/?utm_source=MUI&utm_medium=referral&utm_content=readme" rel="noopener sponsored" target="_blank"><img height="96" width="96" src="https://images.opencollective.com/viralyft/b853d22/avatar/288.png" alt="Viralyft" title="Viralyft: Boost social media following & get real results." loading="lazy" /></a>
 </p>
 
 Gold sponsors are those who have pledged \$500/month or more to MUI.

docs/data/material/discover-more/backers/backers.md

@@ -28,7 +28,6 @@ via [Open Collective](https://opencollective.com/mui-org) or via [the for-profi
   <a data-ga-event-category="sponsor" data-ga-event-action="docs-backers" data-ga-event-label="megafamous.com" href="https://megafamous.com/?utm_source=MUI&utm_medium=referral&utm_content=backers" rel="noopener sponsored" target="_blank" class="remove-link-arrow" style="margin-right: 16px;"><img height="96" width="96" src="/static/sponsors/megafamous.png" alt="megafamous.com" title="MegaFamous: Buy Instagram followers and likes." loading="lazy" /></a>
   <a data-ga-event-category="sponsor" data-ga-event-action="docs-backers" data-ga-event-label="dialmycalls.com" href="https://www.dialmycalls.com/?utm_source=MUI&utm_medium=referral&utm_content=backers" rel="noopener sponsored" target="_blank" class="remove-link-arrow" style="margin-right: 16px;"><img height="96" width="96" src="https://images.opencollective.com/dialmycalls/f5ae9ab/avatar/96.png" srcset="https://images.opencollective.com/dialmycalls/f5ae9ab/avatar/288.png 3x" alt="dialmycalls.com" title="DialMyCalls: Send text messages, calls, and emails." loading="lazy" /></a>
   <a data-ga-event-category="sponsor" data-ga-event-action="docs-backers" data-ga-event-label="goread.io" href="https://goread.io/?utm_source=MUI&utm_medium=referral&utm_content=backers" rel="noopener sponsored" target="_blank" class="remove-link-arrow" style="margin-right: 16px; display:flex;"><img height="110" width="96" src="https://images.opencollective.com/goread_io/eb6337d/logo/96.png" srcset="https://images.opencollective.com/goread_io/eb6337d/logo/288.png 3x" alt="goread.io" title="Goread.io: Instagram followers, likes, views, and comments." loading="lazy" /></a>
-  <a data-ga-event-category="sponsor" data-ga-event-action="docs-backers" data-ga-event-label="Viralyft" href="https://viralyft.com/?utm_source=MUI&utm_medium=referral&utm_content=backers" rel="noopener sponsored" target="_blank" class="remove-link-arrow" style="margin-right: 16px; display:flex;"><img height="110" width="96" src="https://images.opencollective.com/viralyft/b853d22/avatar/96.png" srcset="https://images.opencollective.com/viralyft/b853d22/avatar/288.png 3x" alt="Viralyft" title="Viralyft: Boost social media following & get real results." loading="lazy" /></a>
 </p>
 
 Gold sponsors are those who've pledged \$500/month or more to the MUI organization. [Tier benefits](#gold).

docs/src/components/home/GoldSponsors.tsx

@@ -63,13 +63,6 @@ const GOLDs = [
     description: 'Instagram followers, likes, views, and comments.',
     href: 'https://goread.io/?utm_source=MUI&utm_medium=referral&utm_content=homepage',
   },
-  {
-    src: 'https://images.opencollective.com/viralyft/b853d22/avatar/40.png',
-    srcSet: 'https://images.opencollective.com/viralyft/b853d22/avatar/120.png 3x',
-    name: 'Viralyft',
-    description: 'Boost social media following & get real results.',
-    href: 'https://viralyft.com/?utm_source=MUI&utm_medium=referral&utm_content=homepage',
-  },
 ];
 
 export default function GoldSponsors() {