Remove Discord link from GH Issues page

Author: FiniteReality

.github/ISSUE_TEMPLATE/config.yml

@@ -1,6 +1 @@
 blank_issues_enabled: true
-contact_links:
-  - name: For help with other issues, join our Discord community
-    url: https://discord.gg/rN9Y7caguP
-    about: This is the best option for getting help with mod installation, performance issues, and any other support inquiries
-    # Copied from https://github.com/CaffeineMC/sodium-fabric#community