[tests.operator_reconstructions] use ALUGrid instead of deprecated AluConformGrid

tests/operator_reconstructions.cc

@@ -140,7 +140,7 @@ private:
 // | 2nd we define all arguments the above test structs are to be compiled with |
 // +----------------------------------------------------------------------------+
 
-typedef Dune::ALUConformGrid<2, 2> AluConform2dGridType;
+typedef Dune::ALUGrid<2, 2, Dune::simplex, Dune::conforming> AluConform2dGridType;
 typedef typename Dune::GDT::SpaceTools::LeafGridPartView<AluConform2dGridType, true>::Type AluConform2dLeafGridViewType;
 typedef
     typename Dune::GDT::SpaceTools::LeafGridPartView<AluConform2dGridType, false>::Type AluConform2dLeafGridPartType;