nilfs2: drop vmtruncate

Removed vmtruncate

Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --cc fs/nilfs2/file.c
Simple merge

diff --cc fs/nilfs2/inode.c
Simple merge

diff --cc fs/nilfs2/nilfs.h
Simple merge

diff --cc fs/nilfs2/recovery.c
Simple merge