Fix systemd service Wants for mjolnir and draupnir

Patch contributed by JulianF.

roles/custom/matrix-bot-draupnir/templates/systemd/matrix-bot-draupnir.service.j2

@@ -1,7 +1,7 @@
 #jinja2: lstrip_blocks: "True"
 [Unit]
 Description=Matrix Draupnir bot
-{% for service in matrix_bot_draupnir_systemd_required_services_list %}
+{% for service in matrix_bot_draupnir_systemd_wanted_services_list %}
 Requires={{ service }}
 After={{ service }}
 {% endfor %}

roles/custom/matrix-bot-mjolnir/templates/systemd/matrix-bot-mjolnir.service.j2

@@ -1,7 +1,7 @@
 #jinja2: lstrip_blocks: "True"
 [Unit]
 Description=Matrix Mjolnir bot
-{% for service in matrix_bot_mjolnir_systemd_required_services_list %}
+{% for service in matrix_bot_mjolnir_systemd_wanted_services_list %}
 Requires={{ service }}
 After={{ service }}
 {% endfor %}