More formatting fixes - I'm clearly not smart enough to figure this out

This looks OK in my markdown viewer - hope this works now.

Author: Stephen A. Zarkos

articles/virtual-machines/linux/debian-create-upload-vhd.md

@@ -69,7 +69,6 @@ There are tools available for generating Debian VHDs for Azure, such as the [azu
         deb http://debian-archive.trafficmanager.net/debian jessie-backports main
         deb-src http://debian-archive.trafficmanager.net/debian jessie-backports main
 
-
     **Debian 9.x "Stretch"**
 
         deb http://debian-archive.trafficmanager.net/debian stretch main