1) Go to Online Store → Actions → Edit Code
In forder "Layout" find file "theme.liquid" and delete 2 lines of the code that connects the snippet in "theme.liquid":
<!-- Snippet for KAD Wholesale app --> {% include 'wholesale-cat' %}
2) In folder "Snippets" find file "wholesale-cat.liquid " and click "Delete file.
If this does not work, please write to support@kad.systems