FLUT-953870-[Others]: Removed mac os app center link

Author: Hariram-SF4428

README.md

@@ -113,7 +113,6 @@ Explore the full capabilities of our Flutter widgets on your device by installin
   <a href="https://www.microsoft.com/en-us/p/syncfusion-flutter-gallery/9nhnbwcsf85d?activetab=pivot:overviewtab"><img src="https://cdn.syncfusion.com/content/images/FTControl/windows-store.png"/></a> 
 </p>
 <p align="center">
-  <a href="https://install.appcenter.ms/orgs/syncfusion-demos/apps/syncfusion-flutter-gallery/distribution_groups/release"><img src="https://cdn.syncfusion.com/content/images/FTControl/macos-app-center.png"/></a>
   <a href="https://snapcraft.io/syncfusion-flutter-gallery"><img src="https://cdn.syncfusion.com/content/images/FTControl/snap-store.png"/></a>
   <a href="https://github.com/syncfusion/flutter-examples"><img src="https://cdn.syncfusion.com/content/images/FTControl/github-samples.png"/></a>
 </p>