Update New-AzureRmVmss.md

Author: markcowl

src/ResourceManager/Compute/Commands.Compute/help/New-AzureRmVmss.md

@@ -25,7 +25,7 @@ This cmdlet takes a **VirtualMachineScaleSet** object as input.
 
 ### Example 1: Create a VMSS
 ```
-PS C:\> # Common
+# Common
 $LOC = "WestUs";
 $RGName = "rgkyvms";