misc: chore: Remove redundant code

src/Ryujinx.Graphics.Gpu/Engine/MME/MacroHLE.cs

@@ -506,7 +506,7 @@ namespace Ryujinx.Graphics.Gpu.Engine.MME
                 maxDrawCount,
                 stride,
                 indexCount,
-                Threed.IndirectDrawType.DrawIndexedIndirectCount);
+                IndirectDrawType.DrawIndexedIndirectCount);
         }
 
         /// <summary>

src/Ryujinx.Graphics.Gpu/Engine/Threed/Blender/AdvancedBlendPreGenTable.cs

@@ -1,6 +1,5 @@
 using Ryujinx.Common;
 using Ryujinx.Graphics.GAL;
-using System;
 using System.Collections.Generic;
 
 namespace Ryujinx.Graphics.Gpu.Engine.Threed.Blender

src/Ryujinx.Graphics.Gpu/Engine/Threed/ConstantBufferUpdater.cs

@@ -15,10 +15,10 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
 
         // State associated with direct uniform buffer updates.
         // This state is used to attempt to batch together consecutive updates.
-        private ulong _ubBeginCpuAddress = 0;
-        private ulong _ubFollowUpAddress = 0;
-        private ulong _ubByteCount = 0;
-        private int _ubIndex = 0;
+        private ulong _ubBeginCpuAddress;
+        private ulong _ubFollowUpAddress;
+        private ulong _ubByteCount;
+        private int _ubIndex;
         private readonly int[] _ubData = new int[UniformDataCacheSize];
 
         /// <summary>

src/Ryujinx.Graphics.Gpu/Image/TextureBindingsArrayCache.cs

@@ -4,7 +4,6 @@ using Ryujinx.Graphics.Gpu.Memory;
 using Ryujinx.Graphics.Shader;
 using System;
 using System.Collections.Generic;
-using System.Linq;
 using System.Runtime.InteropServices;
 
 namespace Ryujinx.Graphics.Gpu.Image

src/Ryujinx.Graphics.Gpu/Memory/Buffer.cs

@@ -60,13 +60,13 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// <remarks>
         /// This is null until at least one modification occurs.
         /// </remarks>
-        private BufferModifiedRangeList _modifiedRanges = null;
+        private BufferModifiedRangeList _modifiedRanges;
 
         /// <summary>
         /// A structure that is used to flush buffer data back to a host mapped buffer for cached readback.
         /// Only used if the buffer data is explicitly owned by device local memory.
         /// </summary>
-        private BufferPreFlush _preFlush = null;
+        private BufferPreFlush _preFlush;
 
         /// <summary>
         /// Usage tracking state that determines what type of backing the buffer should use.
@@ -171,9 +171,9 @@ namespace Ryujinx.Graphics.Gpu.Memory
                 _memoryTracking.RegisterPreciseAction(PreciseAction);
             }
 
-            _externalFlushDelegate = new RegionSignal(ExternalFlush);
-            _loadDelegate = new Action<ulong, ulong>(LoadRegion);
-            _modifiedDelegate = new Action<ulong, ulong>(RegionModified);
+            _externalFlushDelegate = ExternalFlush;
+            _loadDelegate = LoadRegion;
+            _modifiedDelegate = RegionModified;
 
             _virtualDependenciesLock = new ReaderWriterLockSlim();
         }

src/Ryujinx.Graphics.Gpu/Memory/MultiRangeBuffer.cs

@@ -69,7 +69,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
         }
 
         private List<PhysicalDependency> _dependencies;
-        private BufferModifiedRangeList _modifiedRanges = null;
+        private BufferModifiedRangeList _modifiedRanges;
 
         /// <summary>
         /// Creates a new instance of the buffer.

src/Ryujinx.Graphics.Gpu/Shader/CachedShaderBindings.cs

@@ -2,7 +2,6 @@ using Ryujinx.Graphics.GAL;
 using Ryujinx.Graphics.Gpu.Engine;
 using Ryujinx.Graphics.Gpu.Image;
 using Ryujinx.Graphics.Shader;
-using System;
 using System.Linq;
 
 namespace Ryujinx.Graphics.Gpu.Shader