Add ScrollManager to global ipy namespace in main.js instead of,

in the bottom of the scroll manager js file.

IPython/html/static/notebook/js/scrollmanager.js

@@ -79,9 +79,6 b' define([], function(){'
         $('#notebook').animate({'scrollTop': $('#notebook').scrollTop() + pages * $('#notebook').height()}, this.animation_speed);
     };
 
-    // For convinience, add the ScrollManager class to the global namespace
-    IPython.ScrollManager = ScrollManager;
     // Return naemspace for require.js loads
     return ScrollManager;
-
 });