[docs] Remove unnecessary pack_id
@ -280,8 +280,6 @@ class Sticker(_StickerTag):
The id of the sticker.
description: :class:`str`
The description of the sticker.
pack_id: :class:`int`
The id of the sticker's pack.
format: :class:`StickerFormatType`
The format for the sticker's image.
url: :class:`str`