fix: clarify known instances

Author: michael-basil

patterns/1-initial/circle-communities.md

@@ -53,14 +53,10 @@ Embracing this pattern helps InnerSource programs become vibrant, effective and
 
 ## Known Instances
 
-* Dojo Circle
-  * Fridays at 13:00 UTC at <https://circle.dojo.center>
-  * Hosted by [Dojo Center](https://dojo.center)
-  * Engaged via [InnerSource Commons Foundation](https://innersourcecommons.org) in Slack at ```#dojo-center```
-  * Affiliated with the Mindset, Agile and InnerSource sub-communities within _InnerSource Dojo from SAP_
 * [InnerSource Dojo from SAP](https://www.youtube.com/watch?v=fXoVm5iTSCc)
 * _Unplugged InnerSource_ sessions within the _Reuse & InnerSource_ workgroup of [SAP Cross-Platform Architecture](https://community.sap.com/t5/technology-blogs-by-sap/cross-product-architecture-embracing-conway-s-law-for-better-software/ba-p/13648600)
 * [Guilds at the BBC](https://youtu.be/MyYgk-jdjSw?t=511)
+* [Mindset Dojo Community](https://dojo.center)
 
 ## Status