Use common playbook to wait for SSH (#4734)

tests/cloud_playbooks/create-gce.yml

@@ -71,16 +71,3 @@
         state: absent
         recurse: yes
       when: delete_group_vars
-
-- name: Wait for instances
-  hosts: "waitfor_hosts"
-  gather_facts: false
-  tasks:
-    - name: Wait for SSH to come up.
-      wait_for:
-        host: "{{ inventory_hostname }}"
-        port: 22
-        delay: 60
-        timeout: 240
-        state: started
-      delegate_to: localhost