Remove OnShakeFinish event

osu.Game/Graphics/Containers/ShakeContainer.cs

@@ -1,7 +1,6 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
-using System;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 
@@ -27,11 +26,6 @@ public class ShakeContainer : Container
         /// </summary>
         public float ShakeMagnitude = 8;
 
-        /// <summary>
-        /// Fired when <see cref="Shake"/> finishes
-        /// </summary>
-        public event Action OnShakeFinish;
-
         /// <summary>
         /// Shake the contents of this container.
         /// </summary>
@@ -56,7 +50,6 @@ public void Shake(double? maximumLength = null)
             }
 
             sequence.MoveToX(0, ShakeDuration / 2, Easing.InSine);
-            sequence.Finally(_ => OnShakeFinish?.Invoke());
         }
     }
 }

osu.Game/Screens/OnlinePlay/Lounge/DrawableLoungeRoom.cs

@@ -226,8 +226,6 @@ private void joinFailed(string error)
             {
                 passwordTextbox.Text = string.Empty;
 
-                shakeContainer.OnShakeFinish += () => passwordTextbox.Colour = Color4.White;
-
                 shakeContainer.Shake();
             }