Use common playbook to wait for SSH (#4734)

tests/cloud_playbooks/create-do.yml

@@ -90,8 +90,3 @@
         src: ../templates/inventory-do.j2
         dest: "{{ inventory_path }}"
       when: state == 'present'
-
-    - name: Wait for SSH to come up
-      wait_for: host={{ item.droplet.ip_address }} port=22 delay=10 timeout=180 state=started
-      with_items: "{{ droplets.results }}"
-      when: state == 'present'