[Cleanup] Kill debugging statement

dune/tectonic/minimisation.hh

@@ -27,9 +27,6 @@ void descentMinimisation(Functional const &J,
 
   int count;
   double const stepsize = bisection.minimize(JRest, 0.0, 0.0, count);
-  dverb << "Number of iterations in the bisection method: " << count
-        << std::endl;
-  ;
 
   Arithmetic::addProduct(x, stepsize, v);
 }