It's been a few years since I've been active here, let me see if I can find out how to help you.
Just booted up my map-editor going to place an unit in it and see if I can hide the upgrade numbers.
and here is the snippet that you need:
<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<Frame type="EquipmentIcon" name="EquipmentIconTemplate" file="EquipmentIcon">
<Frame type="Label" name="LevelLabel">
<Frame type="Image" name="EquipmentIconBorder">
Helral's Lair Meow meoow meeow. I'm ze evil SC2MapsterKitten. UI Tutorials listing current projects: UI support for other projects Helrals Random Dungeon Map (progressing very slowly) monitoring wiki and UI development forum