Revert zconfig.sh test 4

This test was accidentally readded to the linux-kernel-disk
topic branch.  It is being reverted so it can be reapplied with
a few minor tweaks in the right place.

scripts/zconfig.sh

@@ -159,52 +159,4 @@ EOF
 }
 zconfig_test3
 
-# zpool import/export check
-zconfig_test4() {
-	POOL_NAME=test4
-	ZVOL_NAME1=fish1
-	ZVOL_NAME2=fish2
-	FULL_NAME1=${POOL_NAME}/${ZVOL_NAME1}
-	FULL_NAME2=${POOL_NAME}/${ZVOL_NAME2}
-	TMP_CACHE=`mktemp -p /tmp zpool.cache.XXXXXXXX`
-
-	echo -n "test 4 - zpool import/export: "
-
-	# Create a pool and volume.
-	${ZFS_SH} zfs="spa_config_path=${TMP_CACHE}" || fail 1
-	${ZPOOL_CREATE_SH} -p ${POOL_NAME} -c lo-raidz2 || fail 2
-	${ZFS} create -V 100M ${FULL_NAME1} || fail 3
-	${ZFS} create -V 100M ${FULL_NAME2} || fail 4
-
-	# Verify the devices were created
-	stat /dev/${FULL_NAME1} &>/dev/null || fail 5
-	stat /dev/${FULL_NAME2} &>/dev/null || fail 6
-
-	# Export the pool
-	${ZPOOL} export ${POOL_NAME} || fail 7
-
-	# Verify the devices were removed
-	stat /dev/${FULL_NAME1} &>/dev/null && fail 8
-	stat /dev/${FULL_NAME2} &>/dev/null && fail 9
-
-	# Import the pool
-	${ZPOOL} import ${POOL_NAME} || fail 10
-
-	# Verify the devices were created
-	stat /dev/${FULL_NAME1} &>/dev/null || fail 11
-	stat /dev/${FULL_NAME2} &>/dev/null || fail 12
-
-	# Destroy the pool and consequently the devices
-	${ZPOOL_CREATE_SH} -p ${POOL_NAME} -c lo-raidz2 -d || fail 15
-
-	# Verify the devices were removed
-	stat /dev/${FULL_NAME1} &>/dev/null && fail 16
-	stat /dev/${FULL_NAME2} &>/dev/null && fail 17
-
-	${ZFS_SH} -u || fail 18
-
-	pass
-}
-zconfig_test4
-
 exit 0