Changes to List incomplete uploads

deleted the header request parameter x-api-key

the endpoint scheme security x-api-key was added to the API

api operation id list-incomplete-uploads removed and replaced with multipartUpload_list_incomplete_uploads

removed the optional property docs_url from the response with the 400 status

removed the optional property docs_url from the response with the 403 status

removed the optional property docs_url from the response with the 500 status