typo in June2026 update to index.md

Author: sunito

index.md

@@ -15,7 +15,7 @@ At the entrance, there is a registration book for guests. Enter Dr. Fuhrmann as
 
 Currently, meetings are scheduled on demand in the #berlinusergroup [Zulip channel](https://julialang.zulipchat.com/#narrow/stream/249782-berlinusergroup").
 
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+<!--
 **Date/Time :** We usually meet every **3rd Tuesday** of the month at 6 or 7 pm.
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