remove unneeded log banner

roles/cloud-backups/templates/backup-to-b2.sh.j2

@@ -7,7 +7,6 @@ LOG_FILE="/var/log/rclone/rclone-$(date +%Y-%m-%d).log"
 
 {% if backups is defined and 'containers' in backups %}
 {% if containers is defined %}
-echo "### START CONTAINERS ###" | ts >> "$LOG_FILE"
 {% for container in containers %}
 {% if container.volumes is defined %}
 {% for volume in container.volumes %}