Update ISSUE_TEMPLATE (#1079)

Author: cleptric

.github/ISSUE_TEMPLATE/config.yml

@@ -3,9 +3,3 @@ contact_links:
   - name: Support Request
     url: https://sentry.io/support
     about: Use our dedicated support channel for paid accounts.
-  - name: Ask a question about self-hosting/on-premise
-    url: https://forum.sentry.io
-    about: Please use the community forums for questions about self-hosting.
-  - name: Report a security vulnerability
-    url: https://sentry.io/security/#vulnerability-disclosure
-    about: Please see our guide for responsible disclosure.