This looks like a great launcher (although I can't tell what the name of it is. Please edit this question and title to reflect its real name if you like).
I wanted to run Sublime Text.
How can I remove these advertisements from my launcher search results?
Please Canonical, don't enable this stuff by default. It's awful and unexpected. I was curious and clicked through, and regretted it. Feels gross.
Great answers from 3 years ago over at How can I remove Amazon search results from the dash or disable the feature?