TDLib v0.0.2 TDLib.Method.RemoveRecentSticker View Source

Removes a sticker from the list of recently used stickers. Returns object_ptr.

Name	Type	Description
is_attached	bool	Pass true to remove the sticker from the list of stickers recently attached to photo or video files; pass false to remove the sticker from the list of recently sent stickers.
sticker	InputFile	Sticker file to delete.

More details on telegram’s documentation.