etcd bootstrap: specifying API version no longer needed

current versions of etcdctl (such as 3.4.10) default to API  verison 3:
```
VERSION: 3.4.10
API VERSION: 3.4 
```
pull/635/head
axel simon 2021-02-17 17:28:26 +00:00 committed by GitHub
parent 3acaac6234
commit 92141152c7
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@ -110,7 +110,7 @@ EOF
List the etcd cluster members: List the etcd cluster members:
``` ```
sudo ETCDCTL_API=3 etcdctl member list \ sudo etcdctl member list \
--endpoints=https://127.0.0.1:2379 \ --endpoints=https://127.0.0.1:2379 \
--cacert=/etc/etcd/ca.pem \ --cacert=/etc/etcd/ca.pem \
--cert=/etc/etcd/kubernetes.pem \ --cert=/etc/etcd/kubernetes.pem \