Changes to DELETE /v1/:name

removed the media type */* for the response with the status 200

api operation id workflows.projects.locations.operations.delete removed and replaced with workflows.projects.locations.workflows.delete

added the optional property done to the response with the 200 status

added the optional property error to the response with the 200 status

added the optional property metadata to the response with the 200 status

added the optional property name to the response with the 200 status

added the optional property response to the response with the 200 status