removed mutable old-solution from ProblemInstat

src/amdis/ProblemInstat.hpp

@@ -53,14 +53,6 @@ namespace AMDiS
     ProblemType&       problemStat()       { return *problemStat_; }
     ProblemType const& problemStat() const { return *problemStat_; }
 
-    /// Returns mutable-ref of \ref oldSolution.
-    SystemVector& oldSolutionVector()
-    {
-      test_exit_dbg(bool(oldSolution_),
-        "OldSolution need to be created. Call initialize with INIT_UH_OLD.");
-      return *oldSolution_;
-    }
-
     /// Returns const-ref of \ref oldSolution.
     SystemVector const& oldSolutionVector() const
     {
@@ -69,14 +61,6 @@ namespace AMDiS
       return *oldSolution_;
     }
 
-    /// Return a mutable view to a oldSolution component
-    template <class TreePath = RootTreePath>
-    auto oldSolution(TreePath path = {})
-    {
-      auto&& tp = makeTreePath(path);
-      return makeDOFVectorView(oldSolutionVector(), tp);
-    }
-
     /// Return a const view to a oldSolution component
     template <class TreePath = RootTreePath>
     auto oldSolution(TreePath path = {}) const