Render all_nodes_data in check mode

We used to render all nodes data in check mode on each node.
However, after Ic10858ce7eaa5353d546e75b26e7149df2e1aa2a we
copy it from the control node, which is not generated in
check mode. Let's generate it on control node in check mode.

Resolves: rhbz#2096427
Change-Id: If4945d4b50262ef3adf1cd555e51039a98cdc433

common/deploy-steps-playbooks-common.yaml

@@ -82,7 +82,6 @@
       delegate_to: localhost
       become: false
       run_once: true
-      when: not ansible_check_mode|bool
       tripleo_all_nodes_data:
   tags:
     - facts
@@ -97,7 +96,6 @@
     - name: Set all_nodes data as group_vars for overcloud
       ansible.builtin.include_vars: "{{ playbook_dir }}/group_vars/overcloud.json"
       no_log: true
-      when: not ansible_check_mode|bool
   tags:
     - facts
     - always