LDAP issues now at main Wekan repo.

.github/ISSUE_TEMPLATE.md

@@ -1,7 +1,6 @@
 ## Issue
 
 Add these issues to elsewhere:
-- LDAP: https://github.com/wekan/wekan-ldap/issues
 - Snap: https://github.com/wekan/wekan-snap/issues
 
 Other Wekan issues can be added here.