Remove debug lines

Ball.cpp

@@ -87,11 +87,6 @@ void Ball::update_pos(double dt) {
             stop_bouncing = crt_time;
             bouncing = false;
         }
-        std::cout << "New bounce :";
-        std::cout << "U:" << U << ":";
-        std::cout << "A:" << A << ":";
-        std::cout << "B:" << B << ":";
-        std::cout << "T:" << T << "\n";
     }
     _compute_pos(dt);
 }

spheroid.cpp

@@ -35,7 +35,6 @@ void Spheroid::check_horizontal_plan_collision(double height) {
     if (((center.y - p) <= height) || (p < init_p)) {
         p = fmin(init_p, center.y-height);
         update_radius();
-        std::cout << "p:" << p << "q:" << q << '\n';
     }
 }