Removed invalid -Slot parameter from example

Author: dpaquette

src/ResourceManager/Websites/Commands.Websites/help/Set-AzureRmWebAppSlotConfigName.md

@@ -34,7 +34,7 @@ The **Set-AzureRmWebAppSlotConfigName** cmdlet marks App Settings and Connection
 
 ### 1:
 ```
-PS C:\> Set-AzureRmWebAppSlotConfigName -ResourceGroupName "Default-Web-WestUS" -Name "ContosoWebApp" -Slot "Slot001" -RemoveAllAppSettingNames -RemoveAllConnectionStringNames
+PS C:\> Set-AzureRmWebAppSlotConfigName -ResourceGroupName "Default-Web-WestUS" -Name "ContosoWebApp" -RemoveAllAppSettingNames -RemoveAllConnectionStringNames
 ```
 
 This command removes all app settings and connection strings for Web App ContosoWebApp associated with the resource group Default-Web-WestUS