virt-admin.pod: Remove a statement about remote access to the daemon

There's been a forgotten fragment (copy-paste error probably) in the
virt-admin's man page referring the reader to our web page on how to construct
URIs in case of remote access, which sort of implies that we support it which
we don't at the moment, so better remove that.
Signed-off-by: NErik Skultety <eskultet@redhat.com>

tools/virt-admin.pod

@@ -134,9 +134,6 @@ connection at all or there is an inactive one.
 
 To find the currently used URI, check the I<uri> command documented below.
 
-For remote access see the documentation page at
-L<http://libvirt.org/uri.html> on how to make URIs.
-
 =item B<uri>
 
 Prints the administrating server canonical URI, can be useful in shell mode. If