fix(core): update

ts/smartunique.plugins.ts

@@ -1,11 +1,4 @@
-// pushrocks scope
-import * as isounique from '@pushrocks/isounique';
-
-export {
-  isounique
-};
-
-import shortid from 'shortid';
+import * as nanoid from 'nanoid';
 import * as uuid from 'uuid';
 
-export { shortid, uuid };
+export { nanoid, uuid };