[website] Remove Route4Me as gold sponsor (#45783)

Author: rluzists1

README.md

@@ -76,8 +76,6 @@ via [Open Collective](https://opencollective.com/mui-org) or via [Patreon](http
    
   <a href="https://www.dialmycalls.com/?utm_source=mui.com&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>
   &nbsp;
-  <a href="https://route4me.com/?utm_source=mui.com&utm_medium=referral&utm_content=readme" rel="noopener sponsored" target="_blank"><img height="96" width="96" src="https://images.opencollective.com/route4me/71fb6fa/avatar/288.png" alt="Route4Me" title="Route4Me: Trusted last mile route planning and route optimization." loading="lazy" /></a>
-  &nbsp;
 </p>
 
 <p>

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

@@ -23,7 +23,6 @@ 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="tidelift.com" href="https://tidelift.com/subscription/pkg/npm-material-ui?utm_source=npm-material-ui&utm_medium=referral&utm_campaign=homepage" rel="noopener sponsored" target="_blank" class="remove-link-arrow" style="margin-right: 16px;"><img height="96" width="96" src="https://avatars.githubusercontent.com/u/30204434?s=96" srcset="https://avatars.githubusercontent.com/u/30204434?s=288 3x" alt="tidelift.com" title="Tidelift: Enterprise-ready open-source software." loading="lazy" /></a>
   <a data-ga-event-category="sponsor" data-ga-event-action="docs-backers" data-ga-event-label="text-em-all.com" href="https://www.text-em-all.com/?utm_source=mui.com&utm_medium=referral&utm_content=backers" rel="noopener sponsored" target="_blank" class="remove-link-arrow" style="margin-right: 16px;"><img src="https://avatars.githubusercontent.com/u/1262264?s=96" srcset="https://avatars.githubusercontent.com/u/1262264?s=288 3x" alt="text-em-all.com" title="Text-em-all: Mass text messaging and automated calling." height="96" width="96" 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.com&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="route4me.com" href="https://route4me.com/?utm_source=mui.com&utm_medium=referral&utm_content=backers" rel="noopener sponsored" target="_blank" class="remove-link-arrow" style="margin-right: 16px; display:flex;"><img height="96" width="96" src="https://images.opencollective.com/route4me/71fb6fa/avatar/96.png" srcset="https://images.opencollective.com/route4me/71fb6fa/avatar/288.png 3x" alt="route4me.com" title="Route4Me: Trusted last mile route planning and route optimization." loading="lazy" /></a>
 </p>
 
 <!--

docs/src/components/home/GoldSponsors.tsx

@@ -31,13 +31,6 @@ const GOLDs = [
     description: 'Send text messages, calls, and emails.',
     href: 'https://www.dialmycalls.com/?utm_source=mui.com&utm_medium=referral&utm_content=homepage',
   },
-  {
-    src: 'https://images.opencollective.com/route4me/71fb6fa/avatar/40.png',
-    srcSet: 'https://images.opencollective.com/route4me/71fb6fa/avatar/120.png 3x',
-    name: 'Route4Me',
-    description: 'Trusted last mile route planning and optimization.',
-    href: 'https://route4me.com/?utm_source=mui.com&utm_medium=referral&utm_content=homepage',
-  },
 ];
 const BACKLINKs = [
   {