doc: remove outdated link

The community maintained material hasn't been updated for
almost five years, corresponds to Node 0.11, and is no longer
accurate. This commit removes the references.

PR-URL: #27126
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: Beth Griggs <Bethany.Griggs@uk.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

doc/api/v8.md

@@ -165,8 +165,7 @@ after the VM has started may result in unpredictable behavior, including
 crashes and data loss; or it may simply do nothing.
 
 The V8 options available for a version of Node.js may be determined by running
-`node --v8-options`. An unofficial, community-maintained list of options
-and their effects is available [here][].
+`node --v8-options`.
 
 Usage:
 
@@ -488,4 +487,3 @@ A subclass of [`Deserializer`][] corresponding to the format written by
 [HTML structured clone algorithm]: https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API/Structured_clone_algorithm
 [V8]: https://developers.google.com/v8/
 [Worker Threads]: worker_threads.html
-[here]: https://github.com/thlorenz/v8-flags/blob/master/flags-0.11.md