Remove PartialAppInfo.summary and AppInfo.summary

This is returning an empty String by Discord. and is planned to be fully
removed on v11 of the Discord API. See discord/discord-api-docs#4510.

discord/appinfo.py

@@ -72,11 +72,6 @@ class AppInfo:
         grant flow to join.
     rpc_origins: Optional[List[:class:`str`]]
         A list of RPC origin URLs, if RPC is enabled.
-    summary: :class:`str`
-        If this application is a game sold on Discord,
-        this field will be the summary field for the store page of its primary SKU.
-
-        .. versionadded:: 1.3
 
     verify_key: :class:`str`
         The hex encoded key for verification in interactions and the
@@ -124,7 +119,6 @@ class AppInfo:
         'bot_require_code_grant',
         'owner',
         '_icon',
-        'summary',
         'verify_key',
         'team',
         'guild_id',
@@ -151,7 +145,6 @@ class AppInfo:
         team: Optional[TeamPayload] = data.get('team')
         self.team: Optional[Team] = Team(state, team) if team else None
 
-        self.summary: str = data['summary']
         self.verify_key: str = data['verify_key']
 
         self.guild_id: Optional[int] = utils._get_as_snowflake(data, 'guild_id')
@@ -210,9 +203,6 @@ class PartialAppInfo:
         The application description.
     rpc_origins: Optional[List[:class:`str`]]
         A list of RPC origin URLs, if RPC is enabled.
-    summary: :class:`str`
-        If this application is a game sold on Discord,
-        this field will be the summary field for the store page of its primary SKU.
     verify_key: :class:`str`
         The hex encoded key for verification in interactions and the
         GameSDK's `GetTicket <https://discord.com/developers/docs/game-sdk/applications#getticket>`_.
@@ -222,7 +212,7 @@ class PartialAppInfo:
         The application's privacy policy URL, if set.
     """
 
-    __slots__ = ('_state', 'id', 'name', 'description', 'rpc_origins', 'summary', 'verify_key', 'terms_of_service_url', 'privacy_policy_url', '_icon')
+    __slots__ = ('_state', 'id', 'name', 'description', 'rpc_origins', 'verify_key', 'terms_of_service_url', 'privacy_policy_url', '_icon')
 
     def __init__(self, *, state: ConnectionState, data: PartialAppInfoPayload):
         self._state: ConnectionState = state
@@ -231,7 +221,6 @@ class PartialAppInfo:
         self._icon: Optional[str] = data.get('icon')
         self.description: str = data['description']
         self.rpc_origins: Optional[List[str]] = data.get('rpc_origins')
-        self.summary: str = data['summary']
         self.verify_key: str = data['verify_key']
         self.terms_of_service_url: Optional[str] = data.get('terms_of_service_url')
         self.privacy_policy_url: Optional[str] = data.get('privacy_policy_url')