MAGETWO-31191: Page JS dependencies optimization

 - Remove initialization of pageCache in page-cache.js

Author: Mykhailo Miroshnikov

app/code/Magento/PageCache/view/frontend/web/js/page-cache.js

@@ -276,7 +276,6 @@ define([
 
     domReady(function () {
         $('body')
-            .pageCache()
             .msgBox()
             .formKey();
     });