Merge pull request #59056 from mkumatag/pause_manifest

Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Use pause manifest image

**What this PR does / why we need it**:
As pause manifest code is merged part of https://github.com/kubernetes/kubernetes/pull/57723, now its time to remove all architecture-dependent pause imagename.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #

**Special notes for your reviewer**:

**Release note**:

```
NONE
```

pkg/kubelet/dockershim/docker_sandbox.go

@@ -37,7 +37,7 @@ import (
 )
 
 const (
-	defaultSandboxImage = "k8s.gcr.io/pause-amd64:3.1"
+	defaultSandboxImage = "k8s.gcr.io/pause:3.1"
 
 	// Various default sandbox resources requests/limits.
 	defaultSandboxCPUshares int64 = 2