Remove unused event.coffee

src/stdlib/event.coffee

@@ -1,20 +0,0 @@
-_ = require 'underscore'
-
-module.exports =
-class Event
-  events: {}
-
-  on: (name, callback) ->
-    @events[name] ?= []
-    @events[name].push callback
-
-  off: (name, callback) ->
-    delete @events[name][_.indexOf callback] if @events[name]
-
-  trigger: (name, data...) ->
-    if name.match /^app:/
-      OSX.NSApp.triggerGlobalAtomEvent_data name, data
-      return
-
-    _.each @events[name], (callback) => callback data...
-    null