Don't control reboot in TAStudio

There seems to be no good reason for why this would be necessary. TAStudio behaves just fine when the MainForm reboots itself.

src/BizHawk.Client.EmuHawk/tools/TAStudio/TAStudio.IControlMainForm.cs

@@ -113,13 +113,7 @@ public bool RestartMovie()
 			return success;
 		}
 
-		public bool WantsToControlReboot { get; private set; } = true;
-
-		public void RebootCore()
-		{
-			WantsToControlReboot = false;
-			NewTasMenuItem_Click(null, null);
-			WantsToControlReboot = true;
-		}
+		public bool WantsToControlReboot => false;
+		public void RebootCore() => throw new NotSupportedException("This should never be called");
 	}
 }

src/BizHawk.Client.EmuHawk/tools/TAStudio/TAStudio.MenuItems.cs

@@ -65,13 +65,7 @@ private void StartANewProjectFromSaveRamMenuItem_Click(object sender, EventArgs
 		private void RecentSubMenu_DropDownOpened(object sender, EventArgs e)
 			=> RecentSubMenu.ReplaceDropDownItems(Settings.RecentTas.RecentMenu(this, DummyLoadProject, "Project"));
 
-		private void NewTasMenuItem_Click(object sender, EventArgs e)
-		{
-			var prev = WantsToControlReboot;
-			WantsToControlReboot = false;
-			StartNewTasMovie();
-			WantsToControlReboot = prev;
-		}
+		private void NewTasMenuItem_Click(object sender, EventArgs e) => StartNewTasMovie();
 
 		private void OpenTasMenuItem_Click(object sender, EventArgs e)
 		{

src/BizHawk.Client.EmuHawk/tools/TAStudio/TAStudio.cs

@@ -634,9 +634,7 @@ private bool StartNewMovieWrapper(ITasMovie movie)
 			SetTasMovieCallbacks(movie);
 
 			SuspendLayout();
-			WantsToControlReboot = false;
 			bool result = MainForm.StartNewMovie(movie, false);
-			WantsToControlReboot = true;
 			ResumeLayout();
 			if (result)
 			{
@@ -683,7 +681,6 @@ private bool LoadFileWithFallback(string path)
 			if (!movieLoadSucceeded)
 			{
 				TasView.AllColumns.Clear();
-				WantsToControlReboot = false;
 				StartNewTasMovie();
 				_engaged = true;
 			}