doc: remove duplicate options

PR-URL: #16339
Fixes: #16332
Reviewed-By: Vse Mozhet Byt <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Yuta Hiroto <[email protected]>

Author: aayush.a

doc/api/child_process.md

@@ -131,7 +131,6 @@ added: v0.1.90
 
 * `command` {string} The command to run, with space-separated arguments.
 * `options` {Object}
-  * `timeout` {number} (Default: `0`)
   * `cwd` {string} Current working directory of the child process.
   * `env` {Object} Environment key-value pairs.
   * `encoding` {string} **Default:** `'utf8'`