Remove reference to missing image (#24767)

Remove a reference to an image that isn't in the repo. I wrote the original PR, so both images were still on my machine. In looking at them, it seems one image was intended to replace the other, they have nearly identical contents but the one I've kept in this PR includes an expanded details pane.

content/en/database_monitoring/database_hosts.md

@@ -57,14 +57,10 @@ On the **Metrics** tab of the host details panel, you can view and filter metric
 
 ## Active connections
 
-The **Active Connections** tab of the host details panel displays the live queries being executed on the host.
+The **Active Connections** tab of the host details panel displays the live queries being executed on the host. Click on a query statement to open a panel that includes event attributes, related traces, and other relevant details.
 
 {{< img src="database_monitoring/db-list-active-connections-2.png" alt="The Active Connections tab of the details panel for a single database host on the Databases page" style="width:90%;" >}}
 
-Click on a query statement to open a panel that includes event attributes, related traces, and other relevant details.
-
-{{< img src="database_monitoring/db-list-active-connection-details-2.png" alt="Details panel for an individual active connection" style="width:90%;" >}}
-
 ## Schema
 
 <div class="alert alert-info">
@@ -103,4 +99,4 @@ The **Configuration** tab of the host details panel provides a direct view into
 
 {{< img src="database_monitoring/db-list-configuration.png" alt="The Configuration tab of the details panel for a single database host on the Databases page" style="width:90%;" >}}
 
-[1]: https://app.datadoghq.com/databases
+[1]: https://app.datadoghq.com/databases