fix: remove duplicate check if chart changed

Signed-off-by: oujonny <jonny@immerda.ch>

Author: oujonny

.github/workflows/helm-testing.yaml

@@ -34,16 +34,7 @@ jobs:
       - name: Set up chart-testing
         uses: helm/chart-testing-action@v2.8.0
 
-      - name: Run chart-testing (list-changed)
-        id: list-changed
-        run: |
-          changed=$(ct list-changed --target-branch ${{ github.event.repository.default_branch }})
-          if [[ -n "$changed" ]]; then
-            echo "changed=true" >> "$GITHUB_OUTPUT"
-          fi
-
       - name: Run chart-testing (lint)
-        if: steps.list-changed.outputs.changed == 'true'
         run: |
           ct lint --target-branch ${{ github.event.repository.default_branch }} --config charts/kube-ovn-v2/ct.yaml