removing reference to IM_Matrix_decay class (which no longer exist)

git-svn-id: svn+ssh://svn.in2p3.fr/class@667 0e7d625b-0364-4367-a6be-d5be4a48d228

gui/trunk/CLASSRead.hxx

@@ -14,7 +14,6 @@
 #include "ZAI.hxx"
 #include "CLASSPlotElement.hxx"
 #include "CLASSHeaders.hxx"
-#include "Irradiation/IM_Matrix_Decay.hxx"
 
 using namespace std;