child_process: fix memory leak in .fork()
Entries in the net.Server#_workers
array that is used to track handles
sent from the master to workers were not deleted when a worker exited,
resulting in a slow but inexorable memory leak.
Fixes: https://github.com/nodejs/node/issues/15651 CI: https://ci.nodejs.org/job/node-test-pull-request/10332/