dev/how-to/deploy/orchestrated: update outdated instruction (#1163)

Via: pingcap/docs-cn#1308 PTAL

dev/how-to/deploy/orchestrated/ansible.md

@@ -451,7 +451,7 @@ TiKV2-2 ansible_host=172.16.10.5 deploy_dir=/data2/deploy tikv_port=20172 labels
 TiKV3-1 ansible_host=172.16.10.6 deploy_dir=/data1/deploy tikv_port=20171 labels="host=tikv3"
 TiKV3-2 ansible_host=172.16.10.6 deploy_dir=/data2/deploy tikv_port=20172 labels="host=tikv3"
 
-# If you use tidb-ansible of the master branch to deploy the TiDB cluster and `tikv_metric_method` in the `group_vars/all.yml` file is set to `pull`, you must also configure the TiKV status ports in the topology of multiple TiKV instances, as shown in the following example.
+# When you deploy a TiDB cluster of the 3.0 version, you must configure the TiKV status ports in the topology of multiple TiKV instances, as shown in the following example.
 # TiKV1-1 ansible_host=172.16.10.4 deploy_dir=/data1/deploy tikv_port=20171 tikv_status_port=20181 labels="host=tikv1"
 # TiKV1-2 ansible_host=172.16.10.4 deploy_dir=/data2/deploy tikv_port=20172 tikv_status_port=20182 labels="host=tikv1"
 # TiKV2-1 ansible_host=172.16.10.5 deploy_dir=/data1/deploy tikv_port=20171 tikv_status_port=20181 labels="host=tikv2"