Update Overview.md

To remove good practice as we have conformance for this section anyway

docs/Overview.md

@@ -55,7 +55,7 @@ The technical model describing the monitoring requirements for a receiver is [Nc
 
 This model MUST inherit from the baseline status monitoring model [NcStatusMonitor](https://specs.amwa.tv/nmos-control-feature-sets/branches/publish-status-reporting/monitoring/#ncstatusmonitor)
 
-The purpose of the overallStatus is to abstract and combine the specific domain statuses of a monitor into a single status which can be more easily observed and displayed by a simple client. A good practice is to populate the status message property with details of the worst status causing the current value of the overallStatus.
+The purpose of the overallStatus is to abstract and combine the specific domain statuses of a monitor into a single status which can be more easily observed and displayed by a simple client.
 
 `Note`: The overallStatus might remain the same even when specific domain statuses change but the overallStatusMessage might change because a different combination of internal states is causing the current overallStatus value.