To support the service (and keep free features free), we sometimes run advertisements from partners like Sharethrough and SkimLinks. We try hard to only run them in limited places. If you would like to completely eliminate ads from appearing on your blog, we offer the No-Ads Upgrade.
Viglink is also one of them. So you can’t remove it as you have accepted all terms and conditions by WordPress.
What does the advertising policy for wordpress.com sites have to do with self-hosted installs?
If the plugin does include advertising from a third party service, then it must default to completely disabled, in order to prevent tracking information from being collected from the user without their consent. This is the method commonly known as “opt-in”.
If you don’t have the plugin INSTALLED and you’re seeing ads, it can’t be THIS plugin’s fault. If they bought ads on other networks and THOSE are installed on your site, well … hi. You agreed to show ads on your site 🙂
Also VigLink is clearly a plugin that inserts ads to monetize your site. So no, it’s not violating anything there. If you installed it, signed up for the service, and are surprised you’re getting ads, I think you didn’t read a word of what you just did 😉