remove repo not related to neutron imaging

app.py

@@ -259,9 +259,10 @@ def greetings(ack, say):
     # 0. Legend
     say({"blocks": legend()})
     # 1. Gitlab projects
-    say({"blocks": gitlab_status_blocks()})
+    # say({"blocks": gitlab_status_blocks()})
     # 2. Github projects
-    say({"blocks": github_status_blocks() + mantid_block()})
+    # say({"blocks": github_status_blocks() + mantid_block()})
+    say({"blocks": github_status_blocks()})
 
 # Start your app
 if __name__ == "__main__":