perf: remove redundant object

Author: mikuso

lib/client.js

@@ -406,7 +406,7 @@ class RPCClient extends EventEmitter {
         this._connectPromise = (async () => {
             this._wsAbortController = new AbortController();
 
-            const wsOpts = Object.assign({}, {
+            const wsOpts = Object.assign({
                 // defaults
                 noDelay: true,
                 signal: this._wsAbortController.signal,