Remove absolute URL reference to www.ioccc.org

OK, it is in a comment, but still.  :-)

2013/endoh2/hint.html

@@ -105,14 +105,6 @@ DEALINGS IN THE SOFTWARE.
 
 <hr />
 
-<!--
-(c) Copyright 1984-2015, [Leo Broukhis, Simon Cooper, Landon Curt Noll][judges] - All rights reserved
-This work is licensed under a [Creative Commons Attribution-ShareAlike 3.0 Unported License][cc].
-
-[judges]: http://www.ioccc.org/judges.html
-[cc]: http://creativecommons.org/licenses/by-sa/3.0/
--->
-
 <TABLE><TR>
 <TD><a rel="license" href="http://creativecommons.org/licenses/by-sa/3.0/"><img alt="Creative Commons License" style="border-width:0" src="http://i.creativecommons.org/l/by-sa/3.0/88x31.png" /></a></TD>
 <TD><P>&copy; Copyright 1984-2015,