Merge pull request #49533 from dixudx/rename_stop_to_delete

Automatic merge from submit-queue (batch tested with PRs 49533, 49264)

rename stop.go to delete.go to avoid confusion

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

Refer to [comments](https://github.com/kubernetes/kubernetes/pull/46784#issuecomment-317582927) from @foxish and @janetkuo  

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
xref #46784

**Special notes for your reviewer**:

/cc @janetkuo @foxish 

**Release note**:

```release-note
rename stop.go file to delete.go to avoid confusion
```

pkg/kubectl/BUILD

@@ -13,6 +13,7 @@ go_test(
     srcs = [
         "cluster_test.go",
         "configmap_test.go",
+        "delete_test.go",
         "deployment_test.go",
         "env_file_test.go",
         "generate_test.go",
@@ -33,7 +34,6 @@ go_test(
         "service_test.go",
         "serviceaccount_test.go",
         "sorting_printer_test.go",
-        "stop_test.go",
     ],
     library = ":go_default_library",
     tags = ["automanaged"],
@@ -86,6 +86,7 @@ go_library(
         "cluster.go",
         "clusterrolebinding.go",
         "configmap.go",
+        "delete.go",
         "deployment.go",
         "doc.go",
         "env_file.go",
@@ -112,7 +113,6 @@ go_library(
         "service_basic.go",
         "serviceaccount.go",
         "sorting_printer.go",
-        "stop.go",
         "versioned_client.go",
     ],
     tags = ["automanaged"],