Remove spaces introduced at the start of the line

In making the initial change I introduce some spaces at the beginning of the line.  Removing them.

playbooks/init/evaluate_groups.yml

@@ -51,7 +51,7 @@
         upgrade please see https://docs.openshift.com/container-platform/latest/install_config/upgrading/migrating_embedded_etcd.html
         for documentation on how to migrate from embedded to external etcd.
     when:
-        - g_etcd_hosts | default([]) | length == 0
+    - g_etcd_hosts | default([]) | length == 0
     - not (openshift_node_bootstrap | default(False))
 
   - name: Evaluate oo_all_hosts