Update projectimport.js to use the gulp buildsystem

Author: gregmuellegger

readthedocs/core/static-src/core/js/django-csrf.js

@@ -1,11 +1,9 @@
-var $ = require('jquery');
-
-
 function csrfSafeMethod(method) {
     // these HTTP methods do not require CSRF protection
     return (/^(GET|HEAD|OPTIONS|TRACE)$/.test(method));
 }
 
+
 $.ajaxSetup({
     beforeSend: function(xhr, settings) {
         if (!csrfSafeMethod(settings.type) && !this.crossDomain) {

readthedocs/core/static-src/core/js/projectimport.js

@@ -1,4 +1,3 @@
-$ = require('jquery');
 require('./django-csrf.js');