Link to Teams channel does not work

I did not succeed in generating a link to the Teams channel of OpenSTEF that works for people outside the Alliander organisation. A link to the Teams channel is also not of too much added value. So removing the link is not an issue.

Signed-off-by: Martijn Cazemier <[email protected]>

README.md

@@ -31,8 +31,6 @@ Documentation is available at: https://openstef.github.io/openstef/index.html.
 
 You can also watch a [video about OpenSTEF](https://www.lfenergy.org/forecasting-to-create-a-more-resilient-optimized-grid/) instead of reading about the project.
 
-Want to join the discussion? Join our [Teams channel](https://teams.microsoft.com/l/team/19%3ac08a513650524fc988afb296cd0358cc%40thread.tacv2/conversations?groupId=bfcb763a-3a97-4938-81d7-b14512aa537d&tenantId=697f104b-d7cb-48c8-ac9f-bd87105bafdc).
-
 # Installation
 
 ## Install the openstef package