Don't let atom spec bind default keys again

src/app/atom.coffee

@@ -24,10 +24,6 @@ class Atom
     $(document).on 'keydown', @handleKeyEvent
     @keymap.bindDefaultKeys()
 
-  destroy: ->
-    $(document).off 'keydown', @handleKeyEvent
-    @keymap.unbindDefaultKeys()
-
   open: (path) ->
     $native.open path
 

src/app/keymap.coffee

@@ -23,10 +23,6 @@ class Keymap
       path = $native.openDialog()
       atom.open(path) if path
 
-  unbindDefaultKeys: ->
-    $(document).unbind 'new-window', @_newWindow
-    $(document).unbind 'open', @_open
-
   bindKeys: (selector, bindings) ->
     @bindingSets.unshift(new BindingSet(selector, bindings))