This method allows to delete media types. 此方法适合删除媒介类型

(object) Returns an object containing the IDs of the deleted media types under the mediatypeids property. 返回一个对象，该对象包含mediatypeids属性下已删除的媒体类型的id。

Deleting multiple media types 删除多个媒介类型

Request:

{
    "jsonrpc": "2.0",
    "result": {
            "3",
            "5"
        ]
    },
}

CMediaType::delete() in frontends/php/include/classes/api/services/CMediaType.php.