remove splash screen

It's annoying to get the splash screen everytime hh starts up while debugging.
For now I've removed it, we can put it back into place before the release if
we want to.

h-ety-h.rb

@@ -136,6 +136,6 @@ def load_editor name = {}
 
   # splash screen
   stack :top => 0, :left => 0, :width => 1.0, :height => 1.0 do
-    splash
+    #splash
   end
 end