Move more sound classes to Client.Common

src/BizHawk.Client.Common/Sound/Output/DummySoundOutput.cs

@@ -1,9 +1,7 @@
 using System;
 using System.Diagnostics;
 
-using BizHawk.Client.Common;
-
-namespace BizHawk.Client.EmuHawk
+namespace BizHawk.Client.Common
 {
 	public class DummySoundOutput : ISoundOutput
 	{

src/BizHawk.Client.Common/Sound/Utilities/SoundOutputProvider.cs

@@ -2,10 +2,9 @@
 using System.Collections.Generic;
 using System.Linq;
 
-using BizHawk.Client.Common;
 using BizHawk.Emulation.Common;
 
-namespace BizHawk.Client.EmuHawk
+namespace BizHawk.Client.Common
 {
 	// This is intended to be a buffer between a synchronous sound provider and the
 	// output device (e.g. DirectSound). The idea is to take advantage of the samples

src/BizHawk.Client.Common/Sound/Utilities/SyncToAsyncProvider.cs

@@ -2,7 +2,7 @@
 
 using BizHawk.Emulation.Common;
 
-namespace BizHawk.Client.EmuHawk
+namespace BizHawk.Client.Common
 {
 	public class SyncToAsyncProvider : ISoundProvider
 	{