Remove links to dead projects.
Remove links to dead projects.

* www/links.html
  (clients): Remove JSVN, SCPlugin, sourcecross.org, Subway, Supervision,
    and Svn-up.
  (bindings): Remove SubversionSharp.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@860302 13f79535-47bb-0310-9956-ffa450edef68

wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion