turn off printings

Author: YunDeng98

SINGER/SINGER/Threader_smc.cpp

@@ -78,7 +78,7 @@ void Threader_smc::internal_rethread(ARG &a, tuple<double, Branch, double> cut_p
     run_TSP(a);
     sample_joining_points(a);
     double ar = acceptance_ratio(a);
-    cout << "Acceptance ratio: " << ar << endl;
+    // cout << "Acceptance ratio: " << ar << endl;
     double q = random();
     if (q < ar) {
         a.add(new_joining_branches, added_branches);