Revert "scripts/mkimage: use only known features for creating part2"

This reverts commit b760902.

This causes initial resize of STORAGE partition to take longer

scripts/mkimage

@@ -267,8 +267,7 @@ dd if="${DISK}" of="${LE_TMP}/part2.ext4" bs=512 skip="${STORAGE_PART_START}" co
 
 # create filesystem on part2
 echo "image: creating filesystem on part2..."
-FEATURES="none,has_journal,ext_attr,resize_inode,dir_index,filetype,extent,flex_bg,sparse_super,large_file,huge_file,dir_nlink,extra_isize"
-mke2fs -F -q -t ext4 -m 0 -O ${FEATURES} "${LE_TMP}/part2.ext4"
+mke2fs -F -q -t ext4 -m 0 "${LE_TMP}/part2.ext4"
 tune2fs -L "${DISTRO_DISKLABEL}" -U ${UUID_STORAGE} "${LE_TMP}/part2.ext4" >"${SAVE_ERROR}" 2>&1 || show_error
 e2fsck -n "${LE_TMP}/part2.ext4" >"${SAVE_ERROR}" 2>&1 || show_error
 sync