tests: Stop trying to patch finalize

We have not seen instances of the nydus snapshotter hanging on its
deletion that we must patch its finalize.

Let's just drop this line for now.

Signed-Off-By: Adithya Krishnan Kannan <AdithyaKrishnan.Kannan@amd.com>
Signed-off-by: Fabiano Fidêncio <fabiano.fidencio@intel.com>

tests/integration/kubernetes/gha-run.sh

@@ -556,7 +556,6 @@ function cleanup_nydus_snapshotter() {
 	fi
 	sleep 180s
 	kubectl_retry delete --ignore-not-found -f "misc/snapshotter/nydus-snapshotter-rbac.yaml"
-	kubectl_retry get namespace nydus-system -o json | jq 'del(.spec.finalizers)' | kubectl_retry replace --raw "/api/v1/namespaces/nydus-system/finalize" -f - || true
 	popd
 	sleep 30s
 	echo "::endgroup::"