Revert "UPSTREAM: wifi: cfg80211: handle UHB AP and STA power type"

This reverts commit 65613615.

The regulatory type validation patches cause connection issues with
AFC/LPI APs which use regulatory type as "4".

Bug: 397869489
Bug: 442718470
Change-Id: I4ef6533f7aef012b1b22788782bc34aba70f43ec
Signed-off-by: Ken Sun <kensun@google.com>
[cmllamas: fix minor conflicts due to rename in net/wireless/scan.c]
Signed-off-by: Carlos Llamas <cmllamas@google.com>