ci(pipeline): remove unused Helm artifact repository step

- Eliminates the Helm artifact repository installation step from the CI pipeline as it is no longer required.
- Streamlines the workflow by reducing unnecessary steps, improving maintainability.

Author: winromulus

.github/workflows/pipeline.yaml

@@ -220,9 +220,6 @@ jobs:
       - name: helm - template chart
         run: helm template --namespace kube-system ${{ env.helm_chart }} .artifacts/helm/${{ env.helm_chart }}-${{ env.gitVersion_SemVer }}.tgz > .artifacts/kubectl/${{ env.helm_chart }}.yaml
 
-      - name: helm - artifacthub - repo
-        run: install -D src/helm/artifacthub-repo.yaml .artifacts/helm/artifacthub-repo.yaml
-
       - name: docker - build and push
         uses: docker/build-push-action@v6
         with:
@@ -334,7 +331,7 @@ jobs:
           token: ${{ secrets.ES_GITHUB_PAT }}
           files: |
             .artifacts/kubectl/${{ env.helm_chart }}.yaml
-            
+
       - name: github - repository-dispatch - release
         uses: peter-evans/repository-dispatch@v3
         with: