Fix start/stop template

* Not ideal, but this is only temporary anyway

templates/start_services.j2

 #!/bin/bash
 # {{ ansible_managed }}
 
-{% for item in certbot_create_standalone_stop_services %}
-echo "starting service {{ item }}"
+echo "starting services {{ certbot_create_standalone_stop_services }}"
 {% if ansible_service_mgr == 'systemd' %}
-systemctl start {{ item }}
+systemctl start {{ certbot_create_standalone_stop_services }}
 {% elif ansible_service_mgr == 'upstart' %}
-initctl start {{ item }}
+initctl start {{ certbot_create_standalone_stop_services }}
 {% elif ansible_service_mgr == 'openrc' %}
-rc-service {{ item }} start
+rc-service {{ certbot_create_standalone_stop_services }} start
 {% else %}
-service {{ item }} start
+service {{ certbot_create_standalone_stop_services }} start
 {% endif %}
-{% endfor %}

templates/stop_services.j2

 #!/bin/bash
 # {{ ansible_managed }}
 
-{% for item in certbot_create_standalone_stop_services %}
-echo "stopping service {{ item }}"
+echo "stopping services {{ certbot_create_standalone_stop_services }}"
 {% if ansible_service_mgr == 'systemd' %}
-systemctl stop {{ item }}
+systemctl stop {{ certbot_create_standalone_stop_services }}
 {% elif ansible_service_mgr == 'upstart' %}
-initctl stop {{ item }}
+initctl stop {{ certbot_create_standalone_stop_services }}
 {% elif ansible_service_mgr == 'openrc' %}
-rc-service {{ item }} stop
+rc-service {{ certbot_create_standalone_stop_services }} stop
 {% else %}
-service {{ item }} stop
+service {{ certbot_create_standalone_stop_services }} stop
 {% endif %}
-{% endfor %}