Remove unused headers.

Author: lballabio

test-suite/dividendoption.cpp

@@ -28,8 +28,6 @@
 #include <ql/time/daycounters/actual360.hpp>
 #include <ql/instruments/dividendvanillaoption.hpp>
 #include <ql/instruments/vanillaoption.hpp>
-#include <ql/pricingengines/vanilla/fddividendeuropeanengine.hpp>
-#include <ql/pricingengines/vanilla/fddividendamericanengine.hpp>
 #include <ql/pricingengines/vanilla/fddividendshoutengine.hpp>
 #include <ql/pricingengines/vanilla/fdblackscholesvanillaengine.hpp>
 #include <ql/pricingengines/vanilla/analyticdividendeuropeanengine.hpp>

test-suite/europeanoption.cpp

@@ -31,7 +31,6 @@
 #include <ql/pricingengines/vanilla/binomialengine.hpp>
 #include <ql/pricingengines/vanilla/fdblackscholesvanillaengine.hpp>
 #include <ql/experimental/variancegamma/fftvanillaengine.hpp>
-#include <ql/pricingengines/vanilla/fdeuropeanengine.hpp>
 #include <ql/pricingengines/vanilla/mceuropeanengine.hpp>
 #include <ql/pricingengines/vanilla/integralengine.hpp>
 #include <ql/termstructures/yield/flatforward.hpp>