Remove unused bin edge variables

Removed unused variables for bin edges in Dilepton.h

Author: dsekihat

PWGEM/Dilepton/Core/Dilepton.h

@@ -493,11 +493,6 @@ struct Dilepton {
         }
       }
 
-      int nM = mll_bin_edges.size();
-      int nPt = ptll_bin_edges.size();
-      int nEta = etall_bin_edges.size();
-      int nPhi = phill_bin_edges.size();
-
       std::random_device seed_gen;
       engine = std::mt19937(seed_gen());
     }