Merge pull request #35620 from pohly/alpha-beta-race-base-image

sig-testing: remove KUBE_GORUNNER_IMAGE override

Author: k8s-ci-robot

config/jobs/kubernetes/sig-testing/kubernetes-kind-presubmits.yaml

@@ -605,11 +605,6 @@ presubmits:
         # We need to override the default for components of interest.
         - name: KUBE_CGO_OVERRIDES
           value: kube-apiserver kube-controller-manager kube-scheduler
-        # KUBE_GORUNNER_IMAGE is the default for the images of those components.
-        # We need something with libc. The same kubekins as for the job is used
-        # because it is expected to get updated automatically.
-        - name: KUBE_GORUNNER_IMAGE
-          value: gcr.io/k8s-staging-test-infra/kubekins-e2e:v20250925-95b5a2c7a5-master
         # At the default verbosity level 4 some logs become so large (for example, kube-apiserver
         # logs each HTTP request) that a post-run analysis only sees an incomplete tail of the
         # logs. Let's use the "recommended default log level for most systems" (https://github.com/kubernetes/community/blob/master/contributors/devel/sig-instrumentation/logging.md#what-method-to-use).