Removed "new" indicator from files more than one year old.

www/pubs.html

@@ -51,7 +51,6 @@
      <p>
 
 <li>
-     <img src="/new.gif" alt="&lt;NEW&gt;">
      <cite><a 
         href="http://www.cs.utah.edu/flux/papers/p-radhakrishnan-base.html">
 	Stateful-Swapping in the Emulab Network Testbed</a></cite>.
@@ -59,7 +58,6 @@
 	<p>
 
 <li>
-     <img src="/new.gif" alt="&lt;NEW&gt;">
      <cite><a 
         href="http://www.cs.utah.edu/flux/papers/frisbeesec-cset08-base.html">
 	Securing the Frisbee Multicast Disk Loader</a></cite>.