Fix formatting and remove unnecessary using

osu.Framework/Graphics/Shaders/Uniform.cs

···
 // Copyright (c) ppy Pty Ltd <[e-mail]>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
-using System.Collections.Generic;
 using osu.Framework.Graphics.OpenGL;
 using System;
 
···
             if (newValue.Equals(val))
                 return;
 
-            val= newValue;
+            val = newValue;
             HasChanged = true;
 
             if (Owner.IsBound)