Remove the Map Icon Button
In your gallery's settings you have the option to enable or disable map features. You can go into the organizer and set the settings for your entire site, or specific galleries, but if you'd like to disable the map link using CSS you can use this code.
This forces the map button to go away without having to set all your galleries to disable the map.
Add the following code to your theme's Advanced CSS settings:
/* Remove the map icon / button */
display: none !important;