If, like me you login to multiple Google accounts per day, the new account chooser feature can be annoying.
The account chooser presents you with a list of email addresses you've previously signed in with along with a picture to help you easily identify which account you'd like to proceed with.
I personally user Roboform for all of my logins so I don't need help with accounts, etc. I just click the link within Roboform, it opens my browser, goes to the correct URL, fills in the login/password fields and clicks enter automatically. I just have to sit for a few seconds and wait for it to complete. Then it's off to the races.
Down to the nitty gritty. You'll need to click this link https://www.accountchooser.com/learnmore.html. Towards the bottom right there is a gray button that says "Disable Account Chooser". Click it and you're done. It's that simple.
The only drawback is that if you're a regular computer cleaner, you may wipe data that tells Google not to store your accounts. Easy enough, simply go back to the link above and click the "Disable Account Chooser" button.
If you're using FireFox for your browser, here's a link to an add-on that will keep account chooser disabled. https://addons.mozilla.org/en-US/firefox/addon/remove-cookie-for-google-ac/