Merge multiple duplicate tools files (#5637)

pkg/tools.go

@@ -1,29 +0,0 @@
-//go:build tools
-// +build tools
-
-/*
-Copyright 2019 The KubeSphere Authors.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-package tools
-
-import (
-	_ "k8s.io/code-generator/cmd/client-gen"
-	_ "k8s.io/code-generator/cmd/deepcopy-gen"
-	_ "k8s.io/code-generator/cmd/informer-gen"
-	_ "k8s.io/code-generator/cmd/lister-gen"
-	_ "k8s.io/kube-openapi/cmd/openapi-gen"
-	_ "sigs.k8s.io/controller-tools/cmd/controller-gen"
-)

tools/tools.go

@@ -25,4 +25,5 @@ import (
 	_ "k8s.io/code-generator/cmd/informer-gen"
 	_ "k8s.io/code-generator/cmd/lister-gen"
 	_ "k8s.io/kube-openapi/cmd/openapi-gen"
+	_ "sigs.k8s.io/controller-tools/cmd/controller-gen"
 )