misc: chore: Cleanup DummyHardwareDeviceDriver.cs

src/Ryujinx.Audio/Backends/Dummy/DummyHardwareDeviceDriver.cs

@@ -9,20 +9,12 @@ namespace Ryujinx.Audio.Backends.Dummy
 {
     public class DummyHardwareDeviceDriver : IHardwareDeviceDriver
     {
-        private readonly ManualResetEvent _updateRequiredEvent;
-        private readonly ManualResetEvent _pauseEvent;
+        private readonly ManualResetEvent _updateRequiredEvent = new(false);
+        private readonly ManualResetEvent _pauseEvent = new(true);
 
         public static bool IsSupported => true;
 
-        public float Volume { get; set; }
-
-        public DummyHardwareDeviceDriver()
-        {
-            _updateRequiredEvent = new ManualResetEvent(false);
-            _pauseEvent = new ManualResetEvent(true);
-
-            Volume = 1f;
-        }
+        public float Volume { get; set; } = 1f;
 
         public IHardwareDeviceSession OpenDeviceSession(Direction direction, IVirtualMemoryManager memoryManager, SampleFormat sampleFormat, uint sampleRate, uint channelCount)
         {
@@ -60,7 +52,7 @@ namespace Ryujinx.Audio.Backends.Dummy
             Dispose(true);
         }
 
-        protected virtual void Dispose(bool disposing)
+        private void Dispose(bool disposing)
         {
             if (disposing)
             {