Remove Loomio-related texts from 'Join the discussion' page

source/contribute/discussion.html.md

@@ -1,12 +1,11 @@
 ---
 title: Join the discussion
 icon: users
-summary: 'Join our Matrix room, or our Loomio to take part to discussions about Plume, share your feedback, or ask for help.'
+summary: 'Join our Matrix room to take part to discussions about Plume, share your feedback, or ask for help.'
 time: 10 minutes
 ---
 
-Discussion about Plume mostly take place on two websites: Loomio (long posts, more like a forum with decision tools) and Matrix
-(instant chat, more suited for support or feedback).
+Discussion about Plume mostly take place on Matrix (instant chat, suited for support or feedback).
 
 Most of the discussions are in English, but if you are not fluent enough, you can speak in another language your are more comfortable
 with, maybe we speak it too, and even if we don't we will find ways to talk with you, don't worry!
@@ -19,14 +18,6 @@ Once you created an account, open [this link to join `#plume:disroot.org`](https
 
 This place is the best one to give feedback or to ask for help if you encounter issues while using Plume, or while contributing for example.
 
-## Joining the Loomio
-
-Our Loomio group is hosted [on Framavox](https://framavox.org/g/WK40YHMA/plume).
-You will only be asked an email address to join it. Then, you will be able to comment
-on discussion, open new topics and vote. Feel free to take part in any topic that seems interesting.
-
-All the features that need the input from the whole community are discussed here.
-
 ## Giving us feedback
 
 If you want to give us feedback about Plume, the best place is the Matrix room (you can do it in other places, but it is more likely to be missed).