Revert "Abort connection to replayserver instead of closing it"

This reverts commit f626730.

Java client and replay server fixed their problems

Author: Gatsik

src/fa/replayserver.py

@@ -195,7 +195,7 @@ def input_disconnected(self) -> None:
 
     def close_relay(self) -> None:
         self._close_intended = True
-        self.relay_socket.abort()
+        self.relay_socket.close()
 
     def write_replay_file(self) -> None:
         # Update info block if possible.