View Source ExTDLib.Method.RemoveRecentSticker (ExTDLib v0.0.4)

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

NameTypeDescription
is_attachedboolPass 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.
stickerInputFileSticker file to delete.

More details on telegram's documentation.