Fix one more flag that disables internal metrics collection
Fix one more flag that disables internal metrics collection

Signed-off-by: Gerhard Lazu <41377d93c07cc4cceaddb8b29dbec3b90b3c7191@lazu.co.uk>

rabbitmq/rabbitmq-website,rabbitmq/rabbitmq-website,rabbitmq/rabbitmq-website,rabbitmq/rabbitmq-website,rabbitmq/rabbitmq-website