[wwwdocs] remove non-gcc.gnu.org mirror

[Gerald Pfeifer]

core.ring.gr.jp mirrors ftp.gnu.org, not gcc.gnu.org; remove it from
our specific mirror list.

Installed.

Gerald

Index: mirrors.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/mirrors.html,v
retrieving revision 1.169
diff -u -3 -p -r1.169 mirrors.html
--- mirrors.html	8 Apr 2006 14:13:57 -0000	1.169
+++ mirrors.html	9 Apr 2006 08:58:47 -0000
@@ -43,7 +43,6 @@ Key fingerprint = 90AA 4704 69D3 965A 87
 <li>Japan: <a href="ftp://ftp.iij.ad.jp/pub/gcc/">ftp.iij.ad.jp</a>, thanks to ftp at ftp dot iij dot ad dot jp</li>
 <li>Japan: <a href="ftp://ring.aist.go.jp/pub/GNU/gcc/">ring.aist.go.jp</a></li>
 <li>Japan: <a href="ftp://ring.etl.go.jp/pub/lang/egcs/">ring.etl.go.jp</a></li>
-<li>Japan: <a href="ftp://core.ring.gr.jp/pub/GNU/gcc/">core.ring.gr.jp</a></li>
 <li>Japan: <a href="ftp://ftp.ring.gr.jp/pub/GNU/gcc/">ftp.ring.gr.jp</a></li>
 <li>The Netherlands, Nijmegen: <a href="ftp://ftp.nluug.nl/mirror/languages/gcc">ftp.nluug.nl</a>, thanks to Jan Cristiaan van Winkel (jc at ATComputing dot nl)</li>
 <li>Russia, Moscow (no snapshots): <a href="ftp://linux.ihep.su/pub/cygnus/egcs/">linux.ihep.su</a></li>