Changes to Leave a swarm

removed the success response with the status 204

api tag Swarm added

added the non-success response with the status 500

added the non-success response with the status 503

added the success response with the status 200

for the query request parameter force, default value false was removed

removed the success response with the status 200

api tag Swarm removed

removed the non-success response with the status 500

removed the non-success response with the status 503

added the success response with the status 204

added the media type application/json for the response with the status 500

added the media type application/json for the response with the status 503