Simulator: Fix keyboard input (#24320)

* Fix keyboard input for simulator

* add unblock_stdout() to test

* Revert import change

tools/sim/bridge.py

@@ -21,7 +21,6 @@ from common.numpy_fast import clip
 from common.params import Params
 from common.realtime import DT_DMON, Ratekeeper
 from selfdrive.car.honda.values import CruiseButtons
-from selfdrive.manager.helpers import unblock_stdout
 from selfdrive.test.helpers import set_params_enabled
 from tools.sim.lib.can import can_function
 
@@ -512,7 +511,6 @@ class CarlaBridge:
       t.join()
 
   def run(self, queue, retries=-1):
-    unblock_stdout()  # Fix error when publishing too many lag message
     bridge_p = Process(target=self.bridge_keep_alive, args=(queue, retries), daemon=True)
     bridge_p.start()
     return bridge_p