remove make_entity, Grids should have been converted by now.

dune/fem-dg/assemble/primalmatrix.hh

@@ -542,7 +542,7 @@ class DGPrimalMatrixAssembly
     // make sure we got the right conforming statement
     assert( intersection.conforming() == conforming );
 
-    const EntityType& neighbor = Fem::make_entity( intersection.outside() );
+    const EntityType& neighbor = intersection.outside();
 
     const int entityOrder   = dfSpace.order( entity );
     const int neighborOrder = dfSpace.order( neighbor );