doc: Remove reference to io.js

Signed-off-by: Hussaina Begum Nandyala <[email protected]>

PR-URL: #35618
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Evan Lucas <[email protected]>
Reviewed-By: Rich Trott <[email protected]>
Reviewed-By: Anto Aravinth <[email protected]>
Reviewed-By: Gireesh Punathil <[email protected]>

Author: hexxdump

doc/api/process.md

@@ -1763,8 +1763,7 @@ tarball.
 
 `process.release` contains the following properties:
 
-* `name` {string} A value that will always be `'node'` for Node.js. For
-  legacy io.js releases, this will be `'io.js'`.
+* `name` {string} A value that will always be `'node'`.
 * `sourceUrl` {string} an absolute URL pointing to a _`.tar.gz`_ file containing
   the source code of the current release.
 * `headersUrl`{string} an absolute URL pointing to a _`.tar.gz`_ file containing