misc: chore: Remove redundant code

src/Ryujinx.Graphics.GAL/Multithreading/BufferMap.cs

@@ -13,7 +13,7 @@ namespace Ryujinx.Graphics.GAL.Multithreading
     /// </summary>
     class BufferMap
     {
-        private ulong _bufferHandle = 0;
+        private ulong _bufferHandle;
 
         private readonly Dictionary<BufferHandle, BufferHandle> _bufferMap = new();
         private readonly HashSet<BufferHandle> _inFlight = [];

src/Ryujinx.Graphics.GAL/Multithreading/ThreadedRenderer.cs

@@ -55,7 +55,7 @@ namespace Ryujinx.Graphics.GAL.Multithreading
         private int _refProducerPtr;
         private int _refConsumerPtr;
 
-        public uint ProgramCount { get; set; } = 0;
+        public uint ProgramCount { get; set; }
 
         private Action _interruptAction;
         private readonly Lock _interruptLock = new();