E2E: Revert temporary pinning of Ironic

The issue has been fixed so we can safely revert the workaround.

Signed-off-by: Lennart Jern <[email protected]>

ironic-deployment/overlays/e2e/kustomization.yaml

@@ -18,12 +18,6 @@ configMapGenerator:
 patches:
 - path: ironic-patch.yaml
 
-# TODO(lentzi90): Remove once issue resolved:
-# https://github.com/metal3-io/baremetal-operator/issues/2110
-images:
-- name: quay.io/metal3-io/ironic
-  newTag: release-26.0
-
 # NOTE: These credentials are generated automatically in hack/ci-e2e.sh
 secretGenerator:
 - name: ironic-htpasswd