Bias: removed unused method

src/bias/Bias.h

@@ -47,8 +47,6 @@ class Bias :
 /// the pointer to the bias component
   Value *valueBias;
 protected:
-/// set the forces to zero
-  void resetOutputForces();
 /// set the force from the bias on argument i, this automatically set the partial derivative of the bias with respect to i to -f
   void setOutputForce(int i,double f);
 /// set the value of the bias
@@ -71,11 +69,6 @@ void Bias::setBias(double bias){
  valueBias->set(bias); 
 }
 
-inline
-void Bias::resetOutputForces(){
-  for(unsigned i=0;i<outputForces.size();++i) outputForces[i]=0.0;
-}
-
 inline
 unsigned Bias::getNumberOfDerivatives(){
   return getNumberOfArguments();