bash-completion: delete files util-linux provides

(From OE-Core rev: ae4e994b7a23ceeef00137110a35fbe0e509caec)

Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-support/bash-completion/bash-completion_2.1.bb

@@ -25,7 +25,7 @@ do_install_append() {
 
 	# Delete files already provided by util-linux
 	local i
-	for i in cal dmesg eject hexdump hwclock ionice look renice rtcwake su; do
+	for i in cal dmesg eject hexdump hwclock ionice look renice rtcwake su mount umount; do
 		rm ${D}${datadir}/${BPN}/completions/$i
 	done