update testMuscleMetabolicsProbes's use of Manager::integrate

Author: carmichaelong

OpenSim/Simulation/Test/testMuscleMetabolicsProbes.cpp

@@ -644,7 +644,7 @@ Storage simulateModel(Model& model, double t0, double t1)
     // Simulate.
     const clock_t tStart = clock();
     cout << "- integrating from " << t0 << " to " << t1 << "s" << endl;
-    manager.integrate(state, 1.0e-3);
+    manager.integrate(state);
     cout << "- simulation complete (" << (double)(clock()-tStart)/CLOCKS_PER_SEC
          << " seconds elapsed)" << endl;