doc: fix wrong response.end() at request.socket

PR-URL: nodejs#19507
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Shigeki Ohtsu <ohtsu@ohtsu.org>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

Author: ikasumiwt

doc/api/http.md

@@ -640,9 +640,8 @@ added: v0.3.0
 
 Reference to the underlying socket. Usually users will not want to access
 this property. In particular, the socket will not emit `'readable'` events
-because of how the protocol parser attaches to the socket. After
-`response.end()`, the property is nulled. The `socket` may also be accessed
-via `request.connection`.
+because of how the protocol parser attaches to the socket. The `socket`
+may also be accessed via `request.connection`.
 
 Example: