http请求方式：POST
https://api.weixin.qq.com/product/sku/del?access_token=xxxxxxxxx

{
       "product_id": 23423523452345235,
       "out_product_id": "1234566",
       "out_sku_id": "1024",
       "sku_id": 2352525
}

{
    "errcode": 0,
    "errmsg":"ok"
}