Remove unnecessary copies to self

Author: vovannikov

src/structure_new/src/nonlinear_solver/4C_structure_new_nln_solver_nox.cpp

@@ -197,9 +197,6 @@ enum Inpar::Solid::ConvergenceStatus Solid::Nln::SOLVER::Nox::solve()
   if (data_sdyn().get_divergence_action() == Inpar::Solid::divcont_stop)
     problem_->check_final_status(finalstatus);
 
-  // copy the solution group into the class variable
-  group() = nlnsolver_->getSolutionGroup();
-
   return convert_final_status(finalstatus);
 }
 

src/structure_new/src/nonlinear_solver/4C_structure_new_nln_solver_singlestep.cpp

@@ -115,9 +115,6 @@ enum Inpar::Solid::ConvergenceStatus Solid::Nln::SOLVER::SingleStep::solve()
   //// do one non-linear step using solve
   ::NOX::StatusTest::StatusType stepstatus = nlnsolver_->solve();
 
-  // copy the solution group into the class variable
-  group() = nlnsolver_->getSolutionGroup();
-
   integrator().set_state(Core::LinAlg::Vector<double>(x_epetra.getEpetraVector()));
 
   return convert_final_status(stepstatus);