fix(imports): use node: built-in imports and remove dead smartpromise/smartdelay exports

ts_client/plugins.ts

@@ -1,13 +1,7 @@
-import * as crypto from 'crypto';
-import * as dgram from 'dgram';
-
-// Import from smartpromise for deferred promises
-import * as smartpromise from '@push.rocks/smartpromise';
-import * as smartdelay from '@push.rocks/smartdelay';
+import * as crypto from 'node:crypto';
+import * as dgram from 'node:dgram';
 
 export {
   crypto,
   dgram,
-  smartpromise,
-  smartdelay,
 };