fix: don't remove filecache for files that were successfully loaded

Author: ocombe

dist/modules/ocLazyLoad.loaders.common.js

@@ -60,7 +60,6 @@
                     el.onload = el.onreadystatechange = null;
                     loaded = 1;
                     $delegate._broadcast("ocLazyLoad.fileLoaded", path);
-                    filesCache.remove(path);
                     deferred.resolve();
                 };
                 el.onerror = function () {

dist/ocLazyLoad.js

@@ -60,7 +60,6 @@
                     el.onload = el['onreadystatechange'] = null;
                     loaded = 1;
                     $delegate._broadcast('ocLazyLoad.fileLoaded', path);
-                    filesCache.remove(path);
                     deferred.resolve();
                 };
                 el.onerror = function() {