Use common playbook to wait for SSH (#4734)

tests/cloud_playbooks/create-aws.yml

@@ -22,12 +22,3 @@
     template:
       src: ../templates/inventory-aws.j2
       dest: "{{ inventory_path }}"
-
-  - name: Wait until SSH is available
-    wait_for:
-      host: "{{ item.public_ip }}"
-      port: 22
-      timeout: 300
-      state: started
-    delegate_to: localhost
-    with_items: "{{ ec2.instances }}"