GUAC-919: Remove session timeout from web.xml - we're not using HttpSession.

guacamole/src/main/webapp/WEB-INF/web.xml

@@ -30,9 +30,6 @@
     <welcome-file-list>
         <welcome-file>index.xhtml</welcome-file>
     </welcome-file-list>
-    <session-config>
-        <session-timeout>30</session-timeout>
-    </session-config>
 
     <!-- Guice -->
     <filter>