busybox: drop unused mount.busybox and umount.busybox wrappers

(From OE-Core rev: 7e999dce323a97a3924cb10158d5151ea43e777a)

Signed-off-by: Andre McCurdy <armccurdy@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-core/busybox/busybox_1.31.0.bb

@@ -9,7 +9,6 @@ SRC_URI = "http://www.busybox.net/downloads/busybox-${PV}.tar.bz2;name=tarball \
            file://default.script \
            file://simple.script \
            file://hwclock.sh \
-           file://mount.busybox \
            file://syslog \
            file://syslog-startup.conf \
            file://syslog.conf \
@@ -17,7 +16,6 @@ SRC_URI = "http://www.busybox.net/downloads/busybox-${PV}.tar.bz2;name=tarball \
            file://mdev \
            file://mdev.conf \
            file://mdev-mount.sh \
-           file://umount.busybox \
            file://defconfig \
            file://busybox-syslog.service.in \
            file://busybox-klogd.service.in \

meta/recipes-core/busybox/files/mount.busybox

@@ -1,3 +0,0 @@
-#!/bin/sh
-
-exec /bin/busybox mount $@

meta/recipes-core/busybox/files/umount.busybox

@@ -1,3 +0,0 @@
-#!/bin/sh
-
-exec /bin/busybox umount $@