Remove links to deleted tools modules

tools/index.html

@@ -54,13 +54,6 @@
             <a href="build/index.html">Boost.Build</a> - The Boost build system, including 
             the full Boost version of the jam sources.<br>
          &nbsp;
-         <li>
-            <a href="regression/index.html">Regression</a> - The Boost regression testing 
-            system reporting sources.<br>
-&nbsp;<li>
-            <a href="release/index.html">Release</a> - Scripts used to build the 
-            release tarballs and zips.<br>
-         &nbsp;
          <li>
             <a href="inspect/index.html">Inspect </a>- The inspection tool used to detect 
             errors in the Boost directory hierarchy.<br>