Delete unused DeferredAtomPackage

src/app/deferred-atom-package.coffee

@@ -1,36 +0,0 @@
-AtomPackage = require 'atom-package'
-_ = require 'underscore'
-
-module.exports =
-class DeferredAtomPackage extends AtomPackage
-
-  constructor: ->
-    super
-
-    @autoloadStylesheets = false
-
-  activate: (@rootView, @state) ->
-    @instance = null
-    onLoadEvent = (e) => @onLoadEvent(e, @getInstance())
-    if _.isArray(@loadEvents)
-      for event in @loadEvents
-        @rootView.command(event, onLoadEvent)
-    else
-      for event, selector of @loadEvents
-        @rootView.command(event, selector, onLoadEvent)
-    this
-
-  deactivate: -> @instance?.deactivate?()
-
-  serialize: ->
-    if @instance
-      @instance.serialize?()
-    else
-      @state
-
-  getInstance: ->
-    unless @instance
-      @loadStylesheets()
-      InstanceClass = require @instanceClass
-      @instance = InstanceClass.activate(@rootView, @state)
-    @instance