Update docs to indicate [Get/Disable/Enable]-AzHDInsightMonitoring cmdlets are 'Classic' (Azure#15533)

* Update Disable-AzHDInsightMonitoring.md

Updated synopsis & description to differentiate from the newer Disable-AzHDInsightAzureMonitor cmdlet.

* Update Enable-AzHDInsightMonitoring.md

Updated synopsis & description to differentiate from the newer Enable-AzHDInsightAzureMonitor cmdlet.

* Update Get-AzHDInsightMonitoring.md

Updated synopsis & description to differentiate from the newer Get-AzHDInsightAzureMonitor cmdlet.

* Update Az.HDInsight.md

Updated synopsis for [Get/Disable/Enable]-AzHDInsightMonitoring cmdlets.

Author: proazr

src/HDInsight/HDInsight/help/Az.HDInsight.md

@@ -36,13 +36,13 @@ Adds an Azure Storage key to a cluster configuration object.
 Disables Azure Monitor in a specified HDInsight cluster.
 
 ### [Disable-AzHDInsightMonitoring](Disable-AzHDInsightMonitoring.md)
-Disables monitoring in a HDInsight cluster and relevant logs will stop flowing to the monitoring workspace specified during enable.
+Disables the Classic Azure Monitor logs integration on an HDInsight cluster and relevant logs will stop flowing to the monitoring workspace specified during enable.
 
 ### [Enable-AzHDInsightAzureMonitor](Enable-AzHDInsightAzureMonitor.md)
 Enables Azure Monitor in a specified HDInsight cluster.
 
 ### [Enable-AzHDInsightMonitoring](Enable-AzHDInsightMonitoring.md)
-Enables monitoring in a HDInsight cluster and relevant logs will be sent to the monitoring workspace specified during enable.
+Enables the Classic Azure Monitor logs integration on an HDInsight cluster and relevant logs will be sent to the monitoring workspace specified during enable.
 
 ### [Get-AzHDInsightAzureMonitor](Get-AzHDInsightAzureMonitor.md)
 Gets the azure monitor status of a specified HDInsight cluster.
@@ -63,7 +63,7 @@ Gets the list of jobs from a cluster and lists them in reverse chronological ord
 Gets the log output for a job from the storage account associated with a specified cluster.
 
 ### [Get-AzHDInsightMonitoring](Get-AzHDInsightMonitoring.md)
-Gets the status of monitoring installation on the cluster.
+Gets the status of the Classic Azure Monitor logs integration on an HDInsight cluster.
 
 ### [Get-AzHDInsightPersistedScriptAction](Get-AzHDInsightPersistedScriptAction.md)
 Gets the persisted script actions for a cluster and lists them in chronological order, or gets details for a specified persisted script action.

src/HDInsight/HDInsight/help/Disable-AzHDInsightMonitoring.md

@@ -8,7 +8,7 @@ schema: 2.0.0
 # Disable-AzHDInsightMonitoring
 
 ## SYNOPSIS
-Disables monitoring in a HDInsight cluster and relevant logs will stop flowing to the monitoring workspace specified during enable.
+Disables the Classic Azure Monitor logs integration on an HDInsight cluster and relevant logs will stop flowing to the monitoring workspace specified during enable.
 
 ## SYNTAX
 
@@ -18,7 +18,7 @@ Disable-AzHDInsightMonitoring [-Name] <String> [-ResourceGroupName <String>]
 ```
 
 ## DESCRIPTION
-The **Disable-AzHDInsightMonitoring** cmdlet disables monitoring in a Azure HDInsight cluster.
+The **Disable-AzHDInsightMonitoring** cmdlet disables the Classic Azure Monitor logs integration on an HDInsight cluster.
 
 ## EXAMPLES
 

src/HDInsight/HDInsight/help/Enable-AzHDInsightMonitoring.md

@@ -8,7 +8,7 @@ schema: 2.0.0
 # Enable-AzHDInsightMonitoring
 
 ## SYNOPSIS
-Enables monitoring in a HDInsight cluster and relevant logs will be sent to the monitoring workspace specified during enable.
+Enables the Classic Azure Monitor logs integration on an HDInsight cluster and relevant logs will be sent to the monitoring workspace specified during enable.
 
 ## SYNTAX
 
@@ -19,7 +19,7 @@ Enable-AzHDInsightMonitoring [-Name] <String> [-WorkspaceId] <String> [-PrimaryK
 ```
 
 ## DESCRIPTION
-The **Enable-AzHDInsightMonitoring** cmdlet enables monitoring in a Azure HDInsight cluster.
+The **Enable-AzHDInsightMonitoring** cmdlet enables the Classic Azure Monitor logs integration on an HDInsight cluster.
 
 ## EXAMPLES
 

src/HDInsight/HDInsight/help/Get-AzHDInsightMonitoring.md

@@ -8,7 +8,7 @@ schema: 2.0.0
 # Get-AzHDInsightMonitoring
 
 ## SYNOPSIS
-Gets the status of monitoring installation on the cluster.
+Gets the status of the Classic Azure Monitor logs integration on an HDInsight cluster.
 
 ## SYNTAX
 
@@ -18,7 +18,7 @@ Get-AzHDInsightMonitoring [-Name] <String> [-ResourceGroupName <String>]
 ```
 
 ## DESCRIPTION
-The **Get-AzHDInsightMonitoring** cmdlet gets the status of monitoring installation in an Azure HDInsight cluster. If monitoring is enabled then it will also return the log analytics workspace id.
+The **Get-AzHDInsightMonitoring** cmdlet gets the status of the Classic Azure Monitor logs integration on an HDInsight cluster. If monitoring is enabled then it will also return the log analytics workspace id.
 
 ## EXAMPLES