GridOperator: make constraints access uniform

src/gridoperator.hh

@@ -42,13 +42,6 @@ namespace PPS {
       : pconstraintsv(&cv)
     {}
 
-    //! get the constraints on the test grid function space
-    const CV& testConstraints() const
-    {
-      return *pconstraintsv;
-    }
-
-
     /* constraints */
     const CV* pconstraintsv;
     static CV emptyconstraintsv;
@@ -244,7 +237,7 @@ namespace PPS {
         (std::is_same<CV, Dune::PDELab::EmptyTransformation>{},
          [](auto){},
          [&](auto id) {
-           for (const auto& col : local_assembler.testConstraints())
+           for (const auto& col : *local_assembler.pconstraintsv)
            {
              assert(col.first.size() == 1);
              r[col.first[0]] = 0;