Remove obsolete member

dune/solvers/transferoperators/truncateddensemgtransfer.hh

@@ -35,7 +35,6 @@ class TruncatedDenseMGTransfer :
     typedef typename VectorType::field_type field_type;
     typedef DenseMultigridTransfer<VectorType, BitVectorType, MatrixType> Base;
 public:
-    using Base::restrictScalarBitField;
     typedef MatrixType OperatorType;
 
     typedef Dune::BCRSMatrix< Dune::FieldMatrix< field_type, blocksize, blocksize > > TransferOperatorType;