Revert "+<sys-apps/openrc-0.14 ~amd64, +<sys-fs/udev-init-scripts-28 ~amd64."

This reverts commit 1d97b01c75c45ba3a738374d65b8908843b93f75.
Revert "+<sys-fs/udev-218 ~amd64"

This reverts commit a1f9631795f5c8a6f1aabc4dfeea8b984cf7d390.
Revert "+sys-fs/udev ~amd64"

This reverts commit df4a1531a0a7cdc0360cd749c1dc1fcb678f4fde.
+=sys-apps/kmod-18-r2