Tools: removed separate recursive sempahore test

Tools/CPUInfo/CPUInfo.cpp

@@ -28,8 +28,6 @@ static uint32_t sysclk = 0;
 static EKF_Maths ekf;
 
 HAL_Semaphore sem;
-HAL_Semaphore_Recursive rsem;
-
 
 void setup() {
     ekf.init();
@@ -162,7 +160,6 @@ static void show_timings(void)
     TIMEIT("delay(1)", hal.scheduler->delay(1), 5);
 
     TIMEIT("SEM", { WITH_SEMAPHORE(sem); v_out_32 += v_32;}, 100);
-    TIMEIT("RSEM", { WITH_SEMAPHORE(rsem); v_out_32 += v_32;}, 100);
 }
 
 void loop()