ecryptfs: Remove unused declartion ecryptfs_fill_zeros()

The definition of ecryptfs_fill_zeros() has been removed since
commit b6c1d8fcbade ("eCryptfs: remove unused functions and kmem_cache")
So, Remove the empty declartion in header files.

Signed-off-by: Zhang Zekun <zhangzekun11@huawei.com>
Link: https://lore.kernel.org/r/20240906061241.20010-1-zhangzekun11@huawei.com
Signed-off-by: Tyler Hicks <code@tyhicks.com>
1 file changed