New Sticker shortcuts

- New delete_from_set shortcut
- Fix docs

aiogram/bot/bot.py

@@ -1825,8 +1825,6 @@ class Bot(BaseBot, DataMixin, ContextInstanceMixin):
         """
         Use this method to delete a sticker from a set created by the bot.
 
-        The following methods and objects allow your bot to work in inline mode.
-
         Source: https://core.telegram.org/bots/api#deletestickerfromset
 
         :param sticker: File identifier of the sticker

aiogram/types/sticker.py

@@ -20,3 +20,29 @@ class Sticker(base.TelegramObject, mixins.Downloadable):
     set_name: base.String = fields.Field()
     mask_position: MaskPosition = fields.Field(base=MaskPosition)
     file_size: base.Integer = fields.Field()
+
+    async def set_position_in_set(self, position: base.Integer) -> base.Boolean:
+        """
+        Use this method to move a sticker in a set created by the bot to a specific position.
+
+        Source: https://core.telegram.org/bots/api#setstickerpositioninset
+
+        :param position: New sticker position in the set, zero-based
+        :type position: :obj:`base.Integer`
+        :return: Returns True on success
+        :rtype: :obj:`base.Boolean`
+        """
+        return await self.bot.set_sticker_position_in_set(self.file_id, position=position)
+
+    async def delete_from_set(self) -> base.Boolean:
+        """
+        Use this method to delete a sticker from a set created by the bot.
+
+        Source: https://core.telegram.org/bots/api#deletestickerfromset
+
+        :param sticker: File identifier of the sticker
+        :type sticker: :obj:`base.String`
+        :return: Returns True on success
+        :rtype: :obj:`base.Boolean`
+        """
+        return await self.bot.delete_sticker_from_set(self.file_id)