Updated command from AzureRmWebAppSlotPublishingProfile to AzureRmWebAppPublishingProfile

In example, command was Get-AzureRmWebAppSlotPublishingProfile instead of Get-AzureRmWebAppPublishingProfile. So i have change it to Get-AzureRmWebAppPublishingProfile

Author: janaks09

src/ResourceManager/Websites/Commands.Websites/help/Get-AzureRmWebAppPublishingProfile.md

@@ -31,7 +31,7 @@ The **Get-AzureRmWebAppPublishingProfile** cmdlet gets an Azure Web App publishi
 
 ### 1:
 ```
-PS C:\> Get-AzureRmWebAppSlotPublishingProfile -ResourceGroupName "Default-Web-WestUS" -Name "ContosoWebApp" -Format "Ftp" -OutputFile "C:\Users\contoso\outputfile"
+PS C:\> Get-AzureRmWebAppPublishingProfile -ResourceGroupName "Default-Web-WestUS" -Name "ContosoWebApp" -Format "Ftp" -OutputFile "C:\Users\contoso\outputfile"
 ```
 
 This command gets the publishing profile in Ftp format for Web App ContosoWebApp associated with the resource group Default-Web-WestUS