ci: Remove generating ovn-k8s test report.

This change is backported from upstream ovn-kubernetes as we're seeing
the same issue in OVN runs too:

ovn-org/ovn-kubernetes@c2ef04188

Signed-off-by: Dumitru Ceara <dceara@redhat.com>
Signed-off-by: Numan Siddique <numans@ovn.org>
(cherry picked from commit 8fc841e)

.github/workflows/ovn-kubernetes.yml

@@ -141,20 +141,6 @@ jobs:
         name: kind-junit-${{ env.JOB_NAME }}-${{ github.run_id }}
         path: 'src/github.com/ovn-org/ovn-kubernetes/test/_artifacts/*.xml'
 
-    - name: Generate Test Report
-      id: xunit-viewer
-      if: always()
-      uses: AutoModality/action-xunit-viewer@v1
-      with:
-        results: src/github.com/ovn-org/ovn-kubernetes/test/_artifacts/
-
-    - name: Upload Test Report
-      if: always()
-      uses: actions/upload-artifact@v2
-      with:
-        name: test-report-${{ env.JOB_NAME }}-${{ github.run_id }}
-        path: 'src/github.com/ovn-org/ovn-kubernetes/test/_artifacts/index.html'
-
     - name: Export logs
       if: always()
       run: |