Update issue template for breaking changes

Remove project association for the issue template.

Signed-off-by: Dan Harrin <git@danharrin.com>

Author: danharrin

.github/ISSUE_TEMPLATE/unexpected_major_version_breaking_change.yml

@@ -1,7 +1,6 @@
 name: Missing v4 upgrade guide step
 description: If a breaking change is not documented in the upgrade guide and not automatically upgraded by the script, report it here
 labels: unexpected major version breaking change,unconfirmed,high priority
-projects: ['filamentphp/2']
 body:
   - type: markdown
     attributes: