Description of the issue: i am getting certain repeated banner ads on youtube
Exact URL of the website in question:https://m.youtube.com/
**Screenshot of the ad as it appears in Brave
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Did the issue present with default Shields settings? (yes)
Does the site function as expected when Shields are turned off?
Is there a specific Shields configuration that causes the site to break? If so, tell us that configuration. (yes/no):
Does the site work as expected when using Chrome?
Brave version (check About Brave):