Remove unused local typedef

dune/fufem/prolongboundarypatch.hh

@@ -27,8 +27,6 @@ public:
     {
         using namespace Dune;
 
-        typedef typename GridType::template Codim<0>::Entity EntityType;
-
         const GridType& grid = patches[0].gridView().grid();
         if (!&grid)
             DUNE_THROW(Exception, "Coarsest boundary patch has not been set up correctly!");