Remove settings and depends that are not used anywhere.
Signed-off-by: Mieczyslaw Nalewaj <namiltd@yahoo.com>
Link: #18291
(cherry picked from commit b6ff3d9afa)
Link: https://github.com/openwrt/openwrt/pull/18431
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>