Remove unknown option

.github/ISSUE_TEMPLATE/bug.yml

@@ -114,9 +114,8 @@ body:
       description: Is the same behavior observed when run against `prettier` directly, or outside of SublimeText? Optionally, use the [Playground](https://prettier.io/playground/) to determine the differences between formatted output.
       multiple: false
       options:
-        - 'Unknown'
-        - 'Yes'
         - 'No'
+        - 'Yes'
       default: 0
     validations:
       required: false