linux-imx

f2fs: remove dead code f2fs_check_acl

The macro f2fs_check_acl is defined but never used since
the initial commit, this patch removes the code that has
been dead for several years.

Signed-off-by: Tiezhu Yang <kernelpatch@126.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>