How to remove the floating help icon (?) in Moodle 4.0
The help icon (?) popover provides links to Moodle documentation, Moodle partners, Contact site support and Edwiser One-click feedback.
If you wish to remove this help icon and the popover please add the following CSS in Site Admin > Appearance >Themes > Edwiser RemIU > General Settings > Custom CSS section:
.floating-buttons button[data-action="footer-popover"] {display:none;}