need to revert patch that installs hexdump when busybox bug is fixed

The patch added in !2454 (merged) should be reverted when this bug is fixed upstream: https://lists.busybox.net/pipermail/busybox/2024-October/090982.html

Also see:

• the thread here on the busybox mailing list: https://lists.busybox.net/pipermail/busybox/2024-October/090983.html
• the pmaports issue here: pmaports#3268 (closed)

cc @caleb

mentioned in merge request !2454 (merged)