Remove DB Queues Overflow alert (#29580)

Author: ddhodge

docs/content/stable/yugabyte-platform/alerts-monitoring/alert-policy-templates.md

@@ -174,18 +174,6 @@ Universe `'$universe_name'` Master or TServer has restarted `$value` times durin
   0
 ```
 
-#### DB queues overflow
-
-Database queues overflow has been detected for universe `'$universe_name'`.
-
-```promql
-    sum by (node_prefix) (increase(rpcs_queue_overflow{node_prefix="$node_prefix"}[10m]))
-  +
-    sum by (node_prefix) (increase(rpcs_timed_out_in_queue{node_prefix="$node_prefix"}[10m]))
->
-  1
-```
-
 #### DB memory overload
 
 Database memory rejections have been detected for universe `'$universe_name'`.