chore(governance): remove markdown rendering from docs issue template

Author: heitorlessa

Diff for: .github/ISSUE_TEMPLATE/documentation_improvements.yml

@@ -26,7 +26,6 @@ body:
     attributes:
       label: How can we improve?
       description: Please share your thoughts on how we can improve this experience
-      render: markdown
     validations:
       required: true
   - type: textarea