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