Clean up dockershim flags in the kubelet

Signed-off-by: cyclinder <qifeng.guo@daocloud.io>
Co-authored-by: Ciprian Hacman <ciprian@hakman.dev>
Signed-off-by: Ciprian Hacman <ciprian@hakman.dev>

pkg/kubelet/cadvisor/util.go

@@ -17,14 +17,11 @@ limitations under the License.
 package cadvisor
 
 import (
-	goruntime "runtime"
-
 	cadvisorapi "github.com/google/cadvisor/info/v1"
 	cadvisorapi2 "github.com/google/cadvisor/info/v2"
 	"k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/api/resource"
 	v1helper "k8s.io/kubernetes/pkg/apis/core/v1/helper"
-	kubetypes "k8s.io/kubernetes/pkg/kubelet/types"
 )
 
 const (
@@ -74,6 +71,5 @@ func EphemeralStorageCapacityFromFsInfo(info cadvisorapi2.FsInfo) v1.ResourceLis
 // be removed. Related issue:
 // https://github.com/kubernetes/kubernetes/issues/51798
 func UsingLegacyCadvisorStats(runtime, runtimeEndpoint string) bool {
-	return (runtime == kubetypes.DockerContainerRuntime && goruntime.GOOS == "linux") ||
-		runtimeEndpoint == CrioSocket || runtimeEndpoint == "unix://"+CrioSocket
+	return runtimeEndpoint == CrioSocket || runtimeEndpoint == "unix://"+CrioSocket
 }