fixup! lib: remove use of array destructuring

Author: aduh95

lib/internal/cluster/round_robin_handle.js

@@ -93,7 +93,8 @@ RoundRobinHandle.prototype.remove = function(worker) {
 
 RoundRobinHandle.prototype.distribute = function(err, handle) {
   ArrayPrototypePush(this.handles, handle);
-  const { 0: workerEntry } = this.free;
+  // eslint-disable-next-line node-core/no-array-destructuring
+  const [ workerEntry ] = this.free; // this.free is a SafeMap
 
   if (ArrayIsArray(workerEntry)) {
     const { 0: workerId, 1: worker } = workerEntry;