Merge pull request MicrosoftDocs#140 from junian/patch-3

Added uninstall instruction for iOS

Author: ghogen

mac/uninstall.md

@@ -90,6 +90,7 @@ sudo rm -rf /Library/Frameworks/Xamarin.iOS.framework
 sudo rm -rf /Developer/MonoTouch
 sudo pkgutil --forget com.xamarin.monotouch.pkg
 sudo pkgutil --forget com.xamarin.xamarin-ios-build-host.pkg
+sudo pkgutil --forget com.xamarin.xamarin.ios.pkg
 ```
 
 ## Uninstall Xamarin.Mac