test(core): remove dead code

python/src/trezorlib/debuglink.py

@@ -446,8 +446,6 @@ class DebugLink:
 
         self.waiting_for_layout_change = False
 
-        self.input_wait_type = DebugWaitType.IMMEDIATE
-
     @property
     def legacy_ui(self) -> bool:
         """Differences between UI1 and UI2."""

tests/device_handler.py

@@ -50,7 +50,6 @@ class BackgroundDeviceHandler:
         self.client = client
         self.client.ui = NullUI  # type: ignore [NullUI is OK UI]
         self.client.watch_layout(True)
-        self.client.debug.input_wait_type = DebugWaitType.CURRENT_LAYOUT
 
     def run_with_session(
         self,