chore(ci): fix super linter config

The super-linter.yml workflow seems to be running on pull requests and
branches. However, for pull requests, it fails silently with the logs
reporting an error. On branches, it fails actually with an ❌ emoji.

.github/workflows/super-linter.yml

@@ -33,6 +33,5 @@ jobs:
           VALIDATE_NATURAL_LANGUAGE: false
           VALIDATE_OPENAPI: false
           VALIDATE_JSCPD: false
-          VALIDATE_GO: false
-          DEFAULT_BRANCH: "master"
+          VALIDATE_GO: false # separate workflow
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}