Method: stickers.removeStickerFromSet

Remove a sticker from the set where it belongs, bots only. The sticker set must have been created by the bot.

Parameters:

Name	Type	Description	Required
sticker	MessageMedia, Update, Message or InputDocument	The sticker to remove	Optional

Return type: messages.StickerSet

Can bots use this method: YES

MadelineProto Example (now async for huge speed and parallelism!):

if (!file_exists('madeline.php')) {
    copy('https://phar.madelineproto.xyz/madeline.php', 'madeline.php');
}
include 'madeline.php';

$MadelineProto = new \danog\MadelineProto\API('session.madeline');
$MadelineProto->start();

$messages_StickerSet = $MadelineProto->stickers->removeStickerFromSet(sticker: $InputDocument, );