remove redundant comments from timing_driven_route_connection_from_heap

Author: amin1377

vpr/src/route/connection_router.cpp

@@ -251,8 +251,6 @@ t_heap* ConnectionRouter<Heap>::timing_driven_route_connection_from_heap(RRNodeI
                                                                          const t_conn_cost_params cost_params,
                                                                          t_bb bounding_box) {
     VTR_ASSERT_SAFE(heap_.is_valid());
-    //std::cout << "using this: " << (void *)this << "\n";
-    //std::cout << "using heap: " << heap_.get_ptr() << "\n";
 
     if (heap_.is_empty_heap()) { //No source
         VTR_LOGV_DEBUG(router_debug_, "  Initial heap empty (no source)\n");