HAL_ChibiOS: disable loop delay on replay

libraries/AP_HAL_ChibiOS/HAL_ChibiOS_Class.cpp

@@ -257,7 +257,7 @@ static void main_loop()
           time from the main loop, so we don't need to do it again
           here
          */
-#ifndef HAL_DISABLE_LOOP_DELAY
+#if !defined(HAL_DISABLE_LOOP_DELAY) && !APM_BUILD_TYPE(APM_BUILD_Replay)
         if (!schedulerInstance.check_called_boost()) {
             hal.scheduler->delay_microseconds(50);
         }