Merge branch 'enh/3-dof-simulation' of https://github.com/aZira371/RocketPy into enh/3-dof-simulation

Author: aZira371

rocketpy/simulation/flight.py

@@ -2159,7 +2159,6 @@ def u_dot_parachute(self, t, u, post_processing=False):
         #     (1 - eta) * t**5 + eta * (to**3) * (t**2)
         # )
         # Rdot = 0
-        # tf = 8 * nominal diameter / velocity at line stretch
 
         # tf = 8 * nominal diameter / velocity at line stretch