Fix docker_options definition to remove newlines

inventory/sample/group_vars/k8s-cluster.yml

@@ -146,13 +146,13 @@ docker_daemon_graph: "/var/lib/docker"
 ## An obvious use case is allowing insecure-registry access
 ## to self hosted registries like so:
 
-docker_options: >
+docker_options: >-
   --insecure-registry={{ kube_service_addresses }} --graph={{ docker_daemon_graph }} {{ docker_log_opts }}
-  {% if ansible_architecture == "aarch64" and ansible_os_family == "RedHat" %}
+  {%- if ansible_architecture == "aarch64" and ansible_os_family == "RedHat" %}
   --add-runtime docker-runc=/usr/libexec/docker/docker-runc-current
   --default-runtime=docker-runc --exec-opt native.cgroupdriver=systemd
   --userland-proxy-path=/usr/libexec/docker/docker-proxy-current --signature-verification=false
-  {% endif %}
+  {%- endif -%}
 docker_bin_dir: "/usr/bin"
 
 ## If non-empty will override default system MounFlags value.