Removes multiple problem logging for linear solver convergence failure

opm/autodiff/ISTLSolver.hpp

@@ -446,9 +446,6 @@ namespace Opm
             // Check for failure of linear solver.
             if (!parameters_.ignoreConvergenceFailure_ && !result.converged) {
                 const std::string msg("Convergence failure for linear solver.");
-                if (isIORank_) {
-                    OpmLog::problem(msg);
-                }
                 OPM_THROW_NOLOG(LinearSolverProblem, msg);
             }
         }

opm/simulators/timestepping/AdaptiveTimeStepping_impl.hpp

@@ -370,7 +370,7 @@ namespace Opm {
                 substepTimer.provideTimeStepEstimate( newTimeStep );
                 if( solver_verbose_ ) {
                     std::string msg;
-                    msg = cause_of_failure + "\n         Timestep chopped to "
+                    msg = cause_of_failure + "\nTimestep chopped to "
                         + std::to_string(unit::convert::to( substepTimer.currentStepLength(), unit::day )) + " days\n";
                     OpmLog::problem(msg);
                 }