errors: remove unused ERR_SOCKET_CANNOT_SEND error

This error is no longer used within core. This commit removes it.

PR-URL: #31958
Refs: nodejs/help#2484
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

Author: cjihrig

doc/api/errors.md

@@ -1727,11 +1727,6 @@ value.
 While using [`dgram.createSocket()`][], the size of the receive or send `Buffer`
 could not be determined.
 
-<a id="ERR_SOCKET_CANNOT_SEND"></a>
-### `ERR_SOCKET_CANNOT_SEND`
-
-Data could be sent on a socket.
-
 <a id="ERR_SOCKET_CLOSED"></a>
 ### `ERR_SOCKET_CLOSED`
 
@@ -2293,6 +2288,15 @@ removed: v10.0.0
 
 The `repl` module was unable to parse data from the REPL history file.
 
+<a id="ERR_SOCKET_CANNOT_SEND"></a>
+### `ERR_SOCKET_CANNOT_SEND`
+<!-- YAML
+added: v9.0.0
+removed: REPLACEME
+-->
+
+Data could be sent on a socket.
+
 <a id="ERR_STDERR_CLOSE"></a>
 ### `ERR_STDERR_CLOSE`
 <!-- YAML

lib/internal/errors.js

@@ -1288,7 +1288,6 @@ E('ERR_SOCKET_BAD_TYPE',
 E('ERR_SOCKET_BUFFER_SIZE',
   'Could not get or set buffer size',
   SystemError);
-E('ERR_SOCKET_CANNOT_SEND', 'Unable to send data', Error);
 E('ERR_SOCKET_CLOSED', 'Socket is closed', Error);
 E('ERR_SOCKET_DGRAM_IS_CONNECTED', 'Already connected', Error);
 E('ERR_SOCKET_DGRAM_NOT_CONNECTED', 'Not connected', Error);