style: Remove needless async def for parse_incoming_pdu_with_known_room

src/service/rooms/event_handler/fetch_and_handle_outliers.rs

@@ -384,9 +384,8 @@ impl super::Service {
 			.send_federation_request(&remote, get_event::v1::Request::new(event_id.clone()))
 			.await?;
 
-		let (calculated_event_id, value) = self
-			.parse_incoming_pdu_with_known_room(&res.pdu, room_version_rules)
-			.await?;
+		let (calculated_event_id, value) =
+			self.parse_incoming_pdu_with_known_room(&res.pdu, room_version_rules)?;
 
 		if calculated_event_id != event_id {
 			Err!(Request(BadJson(warn!(

src/service/rooms/event_handler/parse_incoming_pdu.rs

@@ -105,7 +105,7 @@ impl super::Service {
 		Ok(())
 	}
 
-	pub async fn parse_incoming_pdu_with_known_room(
+	pub(super) fn parse_incoming_pdu_with_known_room(
 		&self,
 		pdu: &RawJsonValue,
 		room_version_rules: &RoomVersionRules,