Merge branch 'cleanup/remove-obsolete-setprevioussolution' into 'master'

[cleanup] Remove obsolete setPreviousSolution

See merge request !2021

examples/shallowwaterfriction/doc/main.md

@@ -216,9 +216,6 @@ and the time step sizes used is printed to the terminal.
 ```cpp
     timeLoop->start(); do
     {
-        // First we define the old solution as the solution of the previous time step for storage evaluations.
-        assembler->setPreviousSolution(xOld);
-
         // We solve the non-linear system with time step control, using Newthon's method.
         nonLinearSolver.solve(x,*timeLoop);
 

examples/shallowwaterfriction/main.cc

@@ -172,9 +172,6 @@ int main(int argc, char** argv) try
     // [[codeblock]]
     timeLoop->start(); do
     {
-        // First we define the old solution as the solution of the previous time step for storage evaluations.
-        assembler->setPreviousSolution(xOld);
-
         // We solve the non-linear system with time step control, using Newthon's method.
         nonLinearSolver.solve(x,*timeLoop);
 

test/porousmediumflow/2pncmin/implicit/nonisothermal/main.cc

@@ -180,9 +180,6 @@ int main(int argc, char** argv) try
         problem->setTime( timeLoop->time() + timeLoop->timeStepSize() );
         problem->setTimeStepSize( timeLoop->timeStepSize() );
 
-        // set previous solution for storage evaluations
-        assembler->setPreviousSolution(xOld);
-
         // solve the non-linear system with time step control
         nonLinearSolver.solve(x, *timeLoop);
 

test/porousmediumflow/tracer/multiphase/main.cc

@@ -113,7 +113,6 @@ int main(int argc, char** argv) try
     //! the assembler with time loop for instationary problem
     using Assembler = FVAssembler<TypeTag, DiffMethod::numeric, /*implicit=*/false>;
     auto assembler = std::make_shared<Assembler>(problem, gridGeometry, gridVariables, timeLoop, xOld);
-    assembler->setPreviousSolution(xOld);
 
     //! the linear solver
     using LinearSolver = ExplicitDiagonalSolver;