Don't create rooms for "mise en commun"

apps/participation/management/commands/fix_matrix_channels.py

@@ -444,6 +444,7 @@ class Command(BaseCommand):
                     await Matrix.set_room_power_level(f"#equipe-{team.trigram.lower()}:tfjm.org",
                                                       f"@{participant.matrix_username}:tfjm.org", 50)
 
+            """
             # Manage channels to discuss about problems
             for i in range(9):
                 self.stdout.write(f"Create channel for problem {i}...")
@@ -471,5 +472,6 @@ class Command(BaseCommand):
                     await Matrix.set_room_power_level(f"#mec-{i}:tfjm.org",
                                                       f"@{registration.matrix_username}:tfjm.org",
                                                       95 if registration.is_admin else 50)
+            """
     
         asyncio.get_event_loop().run_until_complete(main())