Fix Foxglove link, remove old tools.html page, remove webviz link

Author: amacneil

index.html

@@ -108,7 +108,7 @@
         </div>
 
         <div class="section-content">
-          <a href="" target="_blank">
+          <a href="https://foxglove.dev/studio" target="_blank">
             <div class="card">
               <div class="card-image"><img src="images/tools/foxglove-studio.png"></div>
               <div class="card-name">Foxglove Studio</div>
@@ -131,14 +131,6 @@
               <div class="card-description">Supervisory system for ROS</div>
             </div>
           </a>
-
-          <a href="https://webviz.io" target="_blank">
-            <div class="card">
-              <div class="card-image"><img src="images/tools/webviz.png"></div>
-              <div class="card-name">webviz</div>
-              <div class="card-description">Visualize robotics data in the browser</div>
-            </div>
-          </a>
         </div>
       </div>