chore: Removed signed commits checkpoint from PR template
Removed `All commits in this PR are signed (`git commit -s`).`
checkpoint from the PR template as we verify this with `EndsSigned`
under `gitlint_rules.py`
@@ -13,7 +13,6 @@ the terms of the Apache 2.0 license.
## PR Checklist
-- [ ] All commits in this PR are signed (`git commit -s`).
- [ ] If a specific issue led to this PR, this PR closes the issue.
- [ ] The description of changes is clear and encompassing.
- [ ] Any required documentation changes (code and docs) are included in this PR.
