Since gaming now lives at http://YouTube.com/gaming , the old Gaming app is going away on May 30th! If you were subscribed to channels in the Gaming app, they’ll automatically move to your YouTube subs feed on May 14th. More need-to-know info→ https://yt.be/help/yRe4
Thanks for reaching out. To clarify, earnings on your channel prior to demonetization will still be available. This will add up once your channel is monetized again or you can close your AdSense account to withdraw the amount. Here's how: https://yt.be/help/DMvT . Hope this helps.