[wwwdocs] remove ring.etl.go.jp mirror

[Gerald Pfeifer]

I've been unable to get to this for months, if not years, not even from 
gcc.gnu.org itself (so it cannot be a reasonable IP block restriction or 
something).

Gerald

Index: mirrors.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/mirrors.html,v
retrieving revision 1.206
diff -u -r1.206 mirrors.html
--- mirrors.html	19 Mar 2011 20:18:28 -0000	1.206
+++ mirrors.html	9 Apr 2011 15:02:25 -0000
@@ -46,7 +46,6 @@
 <li>Greece: <a href="ftp://ftp.ntua.gr/pub/gnu/gcc/">ftp.ntua.gr</a>, thanks to ftpadm at ntua dot gr</li>
 <li>Hungary, Budapest: <a href="http://robotlab.itk.ppke.hu/gcc/">robotlab.itk.ppke.hu</a>, thanks to Adam Rak (neurhlp at gmail dot com)</li>
 <li>Japan: <a href="ftp://ftp.dti.ad.jp/pub/lang/gcc/">ftp.dti.ad.jp</a>, thanks to IWAIZAKO Takahiro (ftp-admin at dti dot ad dot jp)</li>
-<li>Japan: <a href="ftp://ring.etl.go.jp/pub/lang/egcs/">ring.etl.go.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>Slovakia, Bratislava: <a href="http://gcc.fyxm.net/">gcc.fyxm.net</a>, thanks to Jan Teluch (admin at 2600 dot sk)</li>
 <li>UK: <a href="ftp://ftp.mirrorservice.org/sites/sourceware.org/pub/gcc/">ftp://ftp.mirrorservice.org/sites/sourceware.org/pub/gcc/</a>, thanks to mirror at mirrorservice dot org</li>