Removal of KB38

[Cipulot]

Description

This reverts the addition of the KB38 by the PR #2224 .

The PR went through even tho the VID/PID didn't match the ones in QMK. Whether the mismatch was intentional or not PR merge rules dictate that the board is to be removed.

QMK Pull Request

Checklist

• The VIA support for this keyboard is MERGED in QMK master already (MANDATORY)
• The VIA definition follows the guide here: https://caniusevia.com/docs/layouts
• I have a V3 JSON version for this keyboard definition.(MANDATORY)
• I have tested this keyboard definition using VIA's "Design" tab.
• I have tested this keyboard definition with firmware on a device.
• I have assigned alpha keys and modifier keys with the correct colors.
• The Vendor ID is not 0xFEED