sim: replacing ChangeLog files with online git logs

[Eli Zaretskii]

> Date: Fri, 12 Mar 2021 21:53:54 -0500
> From: Mike Frysinger via Gdb <gdb@sourceware.org>
> 
> we're planning on dropping ChangeLog files in sim/ and replacing
> them with a pointer to the online vcs log.

Will the release tarballs include the generated ChangeLog file?  If
not, why not?

Thanks.