defaultenv-2: mtdparts-add: remove unused variable

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

defaultenv/defaultenv-2-base/bin/mtdparts-add

@@ -5,7 +5,6 @@ mkdir -p /tmp/mtdparts
 parts=
 device=
 kernelname=
-bbdev=
 
 while getopt "p:d:k:b" opt; do
         if [ ${opt} = p ]; then
@@ -14,8 +13,6 @@ while getopt "p:d:k:b" opt; do
                 device=${OPTARG}
         elif [ ${opt} = k ]; then
                 kernelname=${OPTARG}
-	elif [ ${opt} = b ]; then
-		bbdev=true
         fi
 done