Fix guild.chunk() not working on evicted guilds

If you're trying to chunk a guild that the bot is not in, 
it'll just hang on the chunk coro forever. It's weird, I know.

discord/guild.py

@@ -2218,7 +2218,8 @@ class Guild(Hashable):
         if not self._state._intents.members:
             raise ClientException('Intents.members must be enabled to use this.')
 
-        return await self._state.chunk_guild(self, cache=cache)
+        if not self._state.is_guild_evicted(self):
+            return await self._state.chunk_guild(self, cache=cache)
 
     async def query_members(self, query=None, *, limit=5, user_ids=None, presences=False, cache=True):
         """|coro|