bug#30552: 27.0.50; Incorrect link to Early Init File node and Early Init File clarification

[Eli Zaretskii]

> From: Kaushal Modi <kaushal.modi@gmail.com>
> Date: Wed, 21 Feb 2018 16:13:24 +0000
> Cc: 30552@debbugs.gnu.org, radon.neon@gmail.com
> 
> On Tue, Feb 20, 2018 at 2:28 PM Eli Zaretskii <eliz@gnu.org> wrote:
> 
>  Fixed, thanks.
> 
> Hi Eli,
> 
> That doesn't seem to have fixed this.

Ah, yes.  I fixed another instance of the same problem.

> I believe the fix is this?:

Almost: there's no need to use the 5- argument @xref for references to
the same manual, and the second of these 2 @xref's is redundant.

Thanks.