disable jira

Signed-off-by: Olivier Lamy <olamy@apache.org>

Author: olamy

.github/ISSUE_TEMPLATE/config.yml

@@ -25,6 +25,3 @@ contact_links:
     url: https://maven.apache.org/mailing-lists.html
     about: Please ask a question or discuss here
 
-  - name: Old JIRA Issues
-    url: https://issues.apache.org/jira/projects/MPLUGINTESTING
-    about: Please search old JIRA issues