Dropped cube middleware

Signed-off-by: Vishal Rana <[email protected]>

Author: vishr

website/content/middleware/cube.md

@@ -1,5 +1,5 @@
-<div class="w3-panel w3-pale-blue w3-leftbar w3-border-blue">
+<!-- <div class="w3-panel w3-pale-blue w3-leftbar w3-border-blue">
   <p>
     Check out <a href="/middleware/cube">cube middleware</a> for HTTP analytics, monitoring and alerting. Measure server latency, data transfer, discover top endpoints, server errors and much more.
   </p>
-</div>
+</div> -->