Remove the feature request link

It's kinda unnecessary in hindsight.

.github/ISSUE_TEMPLATE/config.yml

@@ -15,9 +15,6 @@ contact_links:
     about: |
       Got something to show off? Made something so cool, you just have to tell the world? Let us
       know here in our discussions forum!
-  - name: 🚀 Feature Request or Enhancement
-    url: https://github.com/MithrilJS/mithril.js/discussions/new?category=ideas
-    about: Got a feature request? Let us know here! We do those in our discussion forum.
   - name: 💻 Zulip Chat
     url: https://mithril.zulipchat.com/
     about: Not sure about something? Just want to hang out? Come over to our Zulip chat!