remove tabs from the main windows

Signed-off-by: Jeff Carr <jcarr@wit.com>

example-splash/splash.go

@@ -19,12 +19,20 @@ func showSplash() {
 		return true
 	})
 
-	tab := ui.NewTab()
-	splashWin.SetChild(tab)
-	splashWin.SetMargined(true)
+	// Make this window a 'tabbed' window
+//	tab := ui.NewTab()
 
 	hbox := ui.NewHorizontalBox()
 	hbox.SetPadded(true)
+	splashWin.SetChild(hbox)
+	splashWin.SetMargined(true)
+
+	// This displays the window
+	splashWin.Show()
+
+	// tab is ready so now display it
+//	tab.Append("WIT Splash", hbox)
+//	tab.SetMargined(0, true)
 
 	group := ui.NewGroup("Numbers")
 	group.SetMargined(true)
@@ -42,7 +50,6 @@ func showSplash() {
 	})
 	vbox.Append(okButton, false)
 
-
 	if runtime.GOOS == "linux" {
 		vbox.Append(ui.NewLabel("OS: Linux"), false)
 	} else if runtime.GOOS == "windows" {
@@ -51,8 +58,4 @@ func showSplash() {
 		vbox.Append(ui.NewLabel("OS: " + runtime.GOOS), false)
 	}
 
-	tab.Append("WIT Splash", hbox)
-	tab.SetMargined(0, true)
-
-	splashWin.Show()
 }