remove Optional from parameter and doc string

discord/message.py

@@ -1106,7 +1106,7 @@ class Message(Hashable):
         if self.type is MessageType.guild_invite_reminder:
             return 'Wondering who to invite?\nStart by inviting anyone who can help you build the server!'
 
-    async def delete(self, *, delay: Optional[float] = None, silent: Optional[bool] = False) -> None:
+    async def delete(self, *, delay: Optional[float] = None, silent: bool = False) -> None:
         """|coro|
 
         Deletes the message.
@@ -1125,7 +1125,7 @@ class Message(Hashable):
         delay: Optional[:class:`float`]
             If provided, the number of seconds to wait in the background
             before deleting the message. If the deletion fails then it is silently ignored.
-        silent: Optional[:class:`bool`]
+        silent: :class:`bool`
             If silent is set to ``True``, the error will not be raised, it will be ignored.
             This defaults to ``False``