remove narrow ui feature

- re-arranged UI in a way that gave far too much vert scrolling.
- was added all over for simple things like making text="", layout engine should handle this.
- Ton and Brecht are ok with removing this now. Ton would like to work on the layout engine to make it better support these cases.

release/scripts/ui/space_userpref.py

@@ -176,12 +176,6 @@ class USERPREF_PT_interface(bpy.types.Panel):
         sub.prop(view, "mini_axis_brightness", text="Brightness")
 
         col.separator()
-        col.separator()
-        col.separator()
-
-        col.label(text="Properties Window:")
-        col.prop(view, "properties_width_check")
-
         row.separator()
         row.separator()