chore: removed unused code (#534)

.github/workflows/test.yml

@@ -20,16 +20,6 @@ jobs:
       - name: shellcheck
         uses: reviewdog/action-shellcheck@v1.15
 
-  test-missing-git:
-    name: Test changed-files without git.
-    runs-on: self-hosted
-
-    steps:
-      - name: Run changed-files with defaults
-        id: changed-files
-        continue-on-error: true
-        uses: ./
-
   test-pull-requests-from-forks:
     name: Test changed-files diff on pull_requests from forks
     runs-on: ${{ matrix.platform }}