Removed unnecessary condition in timerCB, was aleady test on ´steps´

Firmware/src/StepGen.cpp

@@ -96,8 +96,6 @@ void StepGen::timerCB()
             digitalWrite(dirPin, sgn);
             double_t freqf = abs(steps) * (1e6 / double(timerNewCycleTime));
             uint32_t freq = uint32_t(freqf);
-            if (freq != 0)
-            {
             timerStepDirection = steps > 0 ? 1 : -1;
             timerStepPositionAtEnd = timerNewEndStepPosition;
             timerNewEndStepPosition = 0; // Set to zero to not reload next time
@@ -109,7 +107,6 @@ void StepGen::timerCB()
             timerIsRunning = 1;
         }
     }
-    }
     if (timerStepPosition == timerStepPositionAtEnd) // Are we finished?
     {
         timerIsRunning = 0;