LU-1365 e2fsck: allow to check >2GB sized directory

LU-1365 e2fsck: allow to check >2GB sized directory

After large_dir feature has been added, e2fsprogs is
ready for directories > 2GB, so we can remove e2fsck
directory size check if large_dir is enabled, so
directory is limited only by allowed blocks count.

Change-Id: I14da0816ee87875df8bf298cf4e06db4b9522767
Signed-off-by: Artem Blagodarenko <c17828@cray.com>
Reviewed-on: https://review.whamcloud.com/33813
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Tested-by: Jenkins
Tested-by: Maloo <maloo@whamcloud.com>