Updated the example command with NodeType param (#16670)

Updated the example command with NodeType instead of NodeTypeName parameter.
NodeTypeName parameter is incorrect and throwing errors when we execute it.

Author: BrajaMS

src/ServiceFabric/ServiceFabric/help/Remove-AzServiceFabricNodeType.md

@@ -24,7 +24,7 @@ Use the **Remove-AzServiceFabricNodeType** to remove all nodes from a specific n
 
 ### Example 1
 ```powershell
-PS c:> Remove-AzServiceFabricNodeType -ResourceGroupName 'Group1' -Name 'Contoso01SFCluster' -NodeTypeName 'nt1'
+PS c:> Remove-AzServiceFabricNodeType -ResourceGroupName 'Group1' -Name 'Contoso01SFCluster' -NodeType 'nt1'
 ```
 
 This command will remove NodeType 'nt1' from the cluster.