fix: File GraphicsResourceMap.cs without references removed (#2181)

sources/engine/Stride.Graphics/GraphicsResourceMap.cs

@@ -1,30 +0,0 @@
-// Copyright (c) .NET Foundation and Contributors (https://dotnetfoundation.org/ & https://stride3d.net) and Silicon Studio Corp. (https://www.siliconstudio.co.jp)
-// Distributed under the MIT license. See the LICENSE.md file in the project root for more information.
-using System;
-
-namespace Stride.Graphics
-{
-    /// <summary>
-    /// Structured returned by <see cref="GraphicsDeviceContext.Map"/>.
-    /// </summary>
-    public struct GraphicsResourceMap
-    {
-        /// <summary>
-        /// Pointer to the data of the <see cref="GraphicsResource"/> being mapped into the CPU memory.
-        /// </summary>
-        /// <remarks>
-        /// If <see cref="GraphicsProfile"/> is set to low, data are aligned to 4 bytes else alignment is 16 bytes.
-        /// </remarks>
-        public IntPtr DataPointer;
-
-        /// <summary>
-        /// The row pitch, or width, or physical size (in bytes) of the data.
-        /// </summary>
-        public int RowPitch;
-
-        /// <summary>
-        /// The depth pitch, or width, or physical size (in bytes)of the data.
-        /// </summary>
-        public int DepthPitch;
-    }
-}