Removed review dates that passed without happening.

[SVN r41030]

more/formal_review_schedule.html

@@ -51,7 +51,7 @@ authors address issues raised in the formal review.</p>
     <td><a href="http://tinyurl.com/yjozfn">
 	Boost Sandbox Vault</a></td>
     <td>Martin Vuille</td>
-    <td>October 21, 2007 - October 30, 2007</td>
+    <td>-</td>
   </tr>
 
   <tr>
@@ -78,7 +78,7 @@ authors address issues raised in the formal review.</p>
     <td><a href="http://svn.boost.org/svn/boost/sandbox/graph-v2">
 	Boost Sandbox</a></td>
     <td>Jeremy Siek</td>
-    <td>October 8, 2007 - October 12, 2007</td>
+    <td>-</td>
   </tr>
 
   <tr>
@@ -87,7 +87,7 @@ authors address issues raised in the formal review.</p>
     <td><a href="http://svn.boost.org/svn/boost/sandbox/graph-v2">
 	Boost Sandbox</a></td>
     <td>Jeremy Siek</td>
-    <td>October 15, 2007 - October 19, 2007</td>
+    <td>-</td>
   </tr>
 
   <tr>