Fix whistespace issues in custom template

roles/docker/templates/systemcontainercustom.conf.j2

@@ -1,15 +1,15 @@
 # {{ ansible_managed }}
 
 [Service]
-{%- if "http_proxy" in openshift.common %}
+{% if "http_proxy" in openshift.common %}
 ENVIRONMENT=HTTP_PROXY={{ docker_http_proxy }}
-{%- endif -%}
-{%- if "https_proxy" in openshift.common %}
+{% endif -%}
+{% if "https_proxy" in openshift.common %}
 ENVIRONMENT=HTTPS_PROXY={{ docker_http_proxy }}
-{%- endif -%}
-{%- if "no_proxy" in openshift.common %}
+{% endif -%}
+{% if "no_proxy" in openshift.common %}
 ENVIRONMENT=NO_PROXY={{ docker_no_proxy }}
-{%- endif %}
+{% endif %}
 {%- if os_firewall_use_firewalld|default(false) %}
 [Unit]
 Wants=iptables.service