remove iemulator requirement from some of the iemulatorservices

BizHawk.Emulation.Common/Interfaces/ISaveRam.cs

@@ -1,6 +1,6 @@
 namespace BizHawk.Emulation.Common
 {
-	public interface ISaveRam : IEmulator, IEmulatorService
+	public interface ISaveRam : IEmulatorService
 	{
 		/// <summary>
 		/// return a copy of the saveram.  editing it won't do you any good unless you later call StoreSaveRam()

BizHawk.Emulation.Common/Interfaces/ISettable.cs

@@ -90,7 +90,7 @@ namespace BizHawk.Emulation.Common
 		}
 	}
 
-	public interface ISettable<TSettings, TSync> : IEmulator, IEmulatorService
+	public interface ISettable<TSettings, TSync> : IEmulatorService
 	{
 		// in addition to these methods, it's expected that the constructor or Load() method
 		// will take a Settings and SyncSettings object to set the initial state of the core

BizHawk.Emulation.Common/Interfaces/IStatable.cs

@@ -5,7 +5,7 @@ namespace BizHawk.Emulation.Common
 	/// <summary>
 	/// Savestate handling methods
 	/// </summary>
-	public interface IStatable : IEmulatorService, IEmulator
+	public interface IStatable : IEmulatorService
 	{
 		/// <summary>
 		/// true if the core would rather give a binary savestate than a text one.  both must function regardless