remove copying of the raw member of Event, because

it isn't used in the whole code, and some code paths in
WindowsConsole set it to str instead of bytes

Author: chris-eibl

Lib/_pyrepl/windows_console.py

@@ -543,7 +543,6 @@ def getpending(self) -> Event:
         while not self.event_queue.empty():
             e2 = self.event_queue.get()
             e.data += e2.data
-            e.raw += e.raw
 
         return e