[wwwdocs] remove gcc-uk.internet.bs from mirrors.html

[Gerald Pfeifer]

>From all I can tell gcc-uk.internet.bs has not been reachable for
quite a while, and while in theory it may be limited to UK Internet
clients, a mirror that is not reachable from Austrian nor German
nor US IP addresses (including the system it mirrors) likely is
dead, so I applied the patch below

info@internet.bs, can you confirm?

Gerald

Index: mirrors.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/mirrors.html,v
retrieving revision 1.237
diff -u -r1.237 mirrors.html
--- mirrors.html	14 Aug 2016 16:06:14 -0000	1.237
+++ mirrors.html	28 Jan 2017 22:25:09 -0000
@@ -46,7 +46,6 @@
 <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.nl)</li>
 <li>Slovakia, Bratislava: <a href="http://gcc.fyxm.net/">gcc.fyxm.net</a>, thanks to Jan Teluch (admin at 2600.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.org</li>
-<li>UK, London: <a href="http://gcc-uk.internet.bs">http://gcc-uk.internet.bs</a>, thanks to Internet.bs (info at internet.bs)</li>
 <li>US, San Jose: <a href="http://www.netgull.com/gcc/">http://www.netgull.com</a>, thanks to admin at netgull.com</li>
 <li>US:
   <a href="http://mirrors-usa.go-parts.com/gcc/">http://mirrors-usa.go-parts.com/gcc</a>