Remove some now useless logic in the Restart() method of some tools (checking IsHandleCreated and IsDisposed)

BizHawk.Client.EmuHawk/tools/Debugger/GenericDebugger.IToolForm.cs

@@ -38,10 +38,7 @@ namespace BizHawk.Client.EmuHawk
 
 		public void Restart()
 		{
-			if (!IsHandleCreated || IsDisposed)
-			{
-				return;
-			}
+			// TODO
 		}
 
 		public bool AskSaveChanges()

BizHawk.Client.EmuHawk/tools/HexEditor/HexEditor.cs

@@ -133,11 +133,6 @@ namespace BizHawk.Client.EmuHawk
 
 		public void Restart()
 		{
-			if (!IsHandleCreated || IsDisposed)
-			{
-				return;
-			}
-
 			var theDomain = _domain.Name.ToLower() == "file on disk" ? 999 : GetDomainInt(_domain.Name);
 
 			SetMemoryDomainMenu(); // Calls update routines, TODO: refactor, that is confusing!

BizHawk.Client.EmuHawk/tools/TraceLogger.cs

@@ -109,11 +109,6 @@ namespace BizHawk.Client.EmuHawk
 
 		public void Restart()
 		{
-			if (!IsHandleCreated || IsDisposed)
-			{
-				return;
-			}
-			
 			ClearList();
 			TraceView.Columns[0].Text = Tracer.Header;
 		}

BizHawk.Client.EmuHawk/tools/Watch/RamSearch.cs

@@ -286,11 +286,6 @@ namespace BizHawk.Client.EmuHawk
 
 		public void Restart()
 		{
-			if (!IsHandleCreated || IsDisposed)
-			{
-				return;
-			}
-
 			_settings.Domain = Core.MemoryDomains.MainMemory;
 			MessageLabel.Text = "Search restarted";
 			DoDomainSizeCheck();