deprecated kubectl run command flag replicas for zh

Signed-off-by: Weiping Cai <weiping.cai@daocloud.io>

content/zh/docs/concepts/cluster-administration/manage-deployment.md

@@ -631,7 +631,7 @@ Let's say you were running version 1.7.9 of nginx:
 假设您正运行的是 1.7.9 版本的 nginx：
 
 ```shell
-kubectl run my-nginx --image=nginx:1.7.9 --replicas=3
+kubectl create deployment my-nginx --image=nginx:1.7.9
 ```
 ```shell
 deployment.apps/my-nginx created

content/zh/docs/concepts/policy/resource-quotas.md

@@ -729,7 +729,7 @@ kubectl create quota test --hard=count/deployments.extensions=2,count/replicaset
 ```
 
 ```shell
-kubectl run nginx --image=nginx --replicas=2 --namespace=myspace
+kubectl create deployment nginx --image=nginx --namespace=myspace
 ```
 
 ```shell

content/zh/docs/reference/kubectl/docker-cli-to-kubectl.md

@@ -57,7 +57,7 @@ kubectl run --image=nginx nginx-app --port=80 --env="DOMAIN=cluster"
 -->
 ```shell
 # 启动运行 nginx 的 Pod
-kubectl run --image=nginx nginx-app --port=80 --env="DOMAIN=cluster"
+kubectl create deployment --image=nginx nginx-app --port=80 --env="DOMAIN=cluster"
 ```
 ```
 deployment "nginx-app" created

content/zh/docs/tasks/administer-cluster/declare-network-policy.md

@@ -36,7 +36,7 @@ content_template: templates/task
 为了查看 Kubernetes 网络策略是怎样工作的，可以从创建一个`nginx` deployment 并且通过服务将其暴露开始
 
 ```console
-$ kubectl run nginx --image=nginx --replicas=2
+$ kubectl create deployment nginx --image=nginx
 deployment "nginx" created
 $ kubectl expose deployment nginx --port=80
 service "nginx" exposed
@@ -53,7 +53,6 @@ svc/nginx                   10.100.0.16   <none>        80/TCP     33s
 
 NAME                        READY         STATUS        RESTARTS   AGE
 po/nginx-701339712-e0qfq    1/1           Running       0          35s
-po/nginx-701339712-o00ef    1/1           Running       0          35s
 ```