Hi,
To hide the menu image in the Section 1 “Our Menus”
Go to the Appearance -> Editor -> style.css
add below css code at the end of file
.menugallery .mymenufilter .menuthumb { display:none; }
.menugallery .mymenufilter { width:auto; }
Please do this changes and let me know your feedback.
Regards
Grace Themes