remove spaces

README.md

@@ -86,7 +86,7 @@ via [Open Collective](https://opencollective.com/mui-org) or via [Patreon](http
   <a 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"><img height="96" width="96" src="https://avatars.githubusercontent.com/u/30204434?s=192" alt="tidelift.com" title="Tidelift: Enterprise-ready open-source software." loading="lazy" /></a>
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   <a href="https://icons8.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/icons8/7fa1641/logo/192.png" alt="Icons8" title="Icons8: API for icons, photos, illustrations, and music." loading="lazy"></a>
-  <a href="https://rxdb.info/?utm_source=sponsor&utm_medium=opencollective&utm_campaign=opencollective-mui" rel="noopener sponsored" target="_blank"><img height="96" width="96" src="https://rxdb.info/files/logo/logo_text.svg " alt="RxDB" title="RxDB: Local-first JavaScript database." loading="lazy" /></a>
+  <a href="https://rxdb.info/?utm_source=sponsor&utm_medium=opencollective&utm_campaign=opencollective-mui" rel="noopener sponsored" target="_blank"><img height="96" width="96" src="https://rxdb.info/files/logo/logo_text.svg" alt="RxDB" title="RxDB: Local-first JavaScript database." loading="lazy" /></a>
   <a href="https://www.text-em-all.com/?utm_source=MUI&utm_medium=referral&utm_content=readme" rel="noopener sponsored" target="_blank"><img src="https://avatars.githubusercontent.com/u/1262264?s=192" alt="text-em-all.com" title="Text-em-all: Mass text messaging and automated calling." height="96" width="96" loading="lazy"></a>
   <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/192.png" alt="dialmycalls.com" title="DialMyCalls: Send text messages, calls, and emails." loading="lazy" /></a>