A google search can answer that question for you

Hi, You can to remove your premium from the Venmo Services Page. They should have sent an email when you signed up and should get an email to the same address when unsubscribing to the premium.

I believe the devs have already answered the question. Since flash will not be removed from all the browsers just some, the user could still play the flash games on the other browsers which support it. The devs changed the development style as to not inconvenience their users and not discourage any ...