There are two options to remove "On Page Analytics":
1 Logout of Sumo - Logging-out of Sumo will remove the Sumo 'Badge' and 'On Page Analytics'
2 Hide 'On Page Analytics' -- Hide the widget within the Google Analytics settingsLogout Of Sumo
You only see the page status while logged-in. To logout, click the "X" icon on the Sumo Badge control panel (blue tab) while holding down the shift key.
Hide 'On Page Analytics'
1 Click on 'Extras' in the header
2 Click on 'Google Analytics'
3 Click on 'On Page Analytics'
4 Slide the toggle to 'Off'