whb04b: Remove unused code

Author: hdiethelm

src/hal/user_comps/xhc-whb04b-6/pendant.cc

@@ -735,11 +735,6 @@ void Handwheel::enableVerbose(bool enable)
     }
 }
 // ----------------------------------------------------------------------
-void Handwheel::setMode(HandWheelCounters::CounterNameToIndex activeCounterMode)
-{
-    mCounters.setActiveCounter(activeCounterMode);
-}
-// ----------------------------------------------------------------------
 void Handwheel::count(int8_t delta)
 {
     assert(mEventListener != nullptr);

src/hal/user_comps/xhc-whb04b-6/pendant.h

@@ -441,7 +441,6 @@ class Handwheel
     Handwheel(const FeedRotaryButton& feedButton, KeyEventListener* listener = nullptr);
     ~Handwheel();
     void enableVerbose(bool enable);
-    void setMode(HandWheelCounters::CounterNameToIndex mode);
     void count(int8_t delta);
     const HandWheelCounters& counters() const;
     HandWheelCounters& counters();