Rename `k3s_become_for_all` for `k3s_become`.

documentation/quickstart-cluster.md

@@ -84,7 +84,7 @@ Here is our playbook for the k3s cluster (`cluster.yml`):
 - name: Build a cluster with a single control node
   hosts: k3s_cluster
   vars:
-    k3s_become_for_all: true
+    k3s_become: true
   roles:
     - role: xanmanning.k3s
 ```

documentation/quickstart-ha-cluster.md

@@ -90,7 +90,7 @@ Here is our playbook for the k3s cluster (`ha_cluster.yml`):
 - name: Build a cluster with HA control plane
   hosts: k3s_cluster
   vars:
-    k3s_become_for_all: true
+    k3s_become: true
     k3s_etcd_datastore: true
     k3s_use_experimental: true  # Note this is required for k3s < v1.19.5+k3s1
   roles:

documentation/quickstart-single-node.md

@@ -66,7 +66,7 @@ Here is our playbook for a single node k3s cluster (`single_node.yml`):
 - name: Build a single node k3s cluster
   hosts: kube-0
   vars:
-    k3s_become_for_all: true
+    k3s_become: true
   roles:
     - role: xanmanning.k3s
 ```