Remove duplicate Constants

src/ImageSharp/Constants.cs

@@ -1,16 +0,0 @@
-// Copyright (c) Six Labors and contributors.
-// Licensed under the Apache License, Version 2.0.
-
-namespace SixLabors
-{
-    /// <summary>
-    /// Common constants used throughout the project.
-    /// </summary>
-    internal static class Constants
-    {
-        /// <summary>
-        /// The epsilon for comparing floating point numbers.
-        /// </summary>
-        public static readonly float Epsilon = 0.001f;
-    }
-}