fix oembed utils import

Author: nleush

lib/core.js

@@ -3,7 +3,8 @@
     import * as pluginUtils from './loader/utils.js';
     import * as utils from './utils.js';
     import log from '../logging.js';
-    import * as oembedUtils from './oembed.js';
+    import { getOembed } from './oembed.js';
+    import * as oembedUtils from './plugins/system/oembed/oembedUtils.js';    
     import * as pluginLoader from './loader/pluginLoader.js';
     import requestWrapper from './request.js';
     import { cache } from './cache.js';
@@ -2076,6 +2077,4 @@
         }, cb);
     };
 
-    var getOembed = oembedUtils.getOembed;
-
     export { getOembed };