Merge pull request #49454 from dixudx/cleanup_DaemonSet_templateGeneration

Automatic merge from submit-queue

Cleanup DaemonSet templateGeneration

**What this PR does / why we need it**:

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #49336 

**Special notes for your reviewer**:

/cc @janetkuo @foxish 

~~Depends on #49071~~ (Merged) 

**Release note**:

```release-note
None
```

api/openapi-spec/swagger.json

@@ -53620,11 +53620,6 @@
       "description": "An object that describes the pod that will be created. The DaemonSet will create exactly one copy of this pod on every node that matches the template's node selector (or on every node if no node selector is specified). More info: https://kubernetes.io/docs/concepts/workloads/controllers/replicationcontroller#pod-template",
       "$ref": "#/definitions/io.k8s.api.core.v1.PodTemplateSpec"
      },
-     "templateGeneration": {
-      "description": "DEPRECATED. A sequence number representing a specific generation of the template. Populated by the system. It can be set only during the creation.",
-      "type": "integer",
-      "format": "int64"
-     },
      "updateStrategy": {
       "description": "An update strategy to replace existing DaemonSet pods with new pods.",
       "$ref": "#/definitions/io.k8s.api.apps.v1beta2.DaemonSetUpdateStrategy"

api/swagger-spec/apps_v1beta2.json

@@ -4962,11 +4962,6 @@
       "format": "int32",
       "description": "The minimum number of seconds for which a newly created DaemonSet pod should be ready without any of its container crashing, for it to be considered available. Defaults to 0 (pod will be considered available as soon as it is ready)."
      },
-     "templateGeneration": {
-      "type": "integer",
-      "format": "int64",
-      "description": "DEPRECATED. A sequence number representing a specific generation of the template. Populated by the system. It can be set only during the creation."
-     },
      "revisionHistoryLimit": {
       "type": "integer",
       "format": "int32",