Update New-AzOperationalInsightsWorkspace.md (#15804)

PS C:\>New-AzOperationalInsightsWorkspace -ResourceGroupName "ContosoResourceGroup" -Name "MyWorkspace" -Location "East US" -Sku "Standard"

## -Sku "Standard" is no more supporting. Please update the docs##

Author: maheswaran-pa

src/OperationalInsights/OperationalInsights/help/New-AzOperationalInsightsWorkspace.md

@@ -27,16 +27,18 @@ The **New-AzOperationalInsightsWorkspace** cmdlet creates a workspace in the spe
 
 ### Example 1: Create a workspace by name
 ```
-PS C:\>New-AzOperationalInsightsWorkspace -ResourceGroupName "ContosoResourceGroup" -Name "MyWorkspace" -Location "East US" -Sku "Standard"
-```
+PS C:\>New-AzOperationalInsightsWorkspace -ResourceGroupName "ContosoResourceGroup" -Name "MyWorkspace" -Location "East US"
+
 
+
+```
 This command creates a standard SKU workspace named MyWorkspace in the resource group named ContosoResourceGroup.
 
 ### Example 2: Create a workspace and link it to an existing account
 ```
 PS C:\>$OILinkTargets = Get-AzOperationalInsightsLinkTargets
 
-PS C:\>$OILinkTargets[0] | New-AzOperationalInsightsWorkspace -ResourceGroupName "ContosoResourceGroup" -Name "MyWorkspace" -Sku "Standard"
+PS C:\>$OILinkTargets[0] | New-AzOperationalInsightsWorkspace -ResourceGroupName "ContosoResourceGroup" -Name "MyWorkspace"
 ```
 
 The first command uses the Get-AzOperationalInsightsLinkTargets cmdlet to get Operational Insights account link targets, and then stores them in the $OILinkTargets variable.