Remove obsolete fucks

Author: peppy

osu.Game/Graphics/UserInterface/OsuNumberBox.cs

@@ -5,8 +5,6 @@ namespace osu.Game.Graphics.UserInterface
 {
     public partial class OsuNumberBox : OsuTextBox
     {
-        protected override bool AllowIme => false;
-
         public OsuNumberBox()
         {
             SelectAllOnFocus = true;

osu.Game/Overlays/Settings/SettingsNumberBox.cs

@@ -66,8 +66,6 @@ public NumberControl()
 
         private partial class OutlinedNumberBox : OutlinedTextBox
         {
-            protected override bool AllowIme => false;
-
             protected override bool CanAddCharacter(char character) => char.IsAsciiDigit(character);
 
             public new void NotifyInputError() => base.NotifyInputError();