nfs: Remove obsoleted declaration for nfs_read_prepare

The nfs_read_prepare() have been removed since
commit a4cdda5911 ("NFS: Create a common pgio_rpc_prepare function"),
and now it is useless, so remove it.

Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Signed-off-by: Anna Schumaker <anna.schumaker@oracle.com>
This commit is contained in:
Gaosheng Cui 2024-08-26 11:21:57 +08:00 • committed by Anna Schumaker
commit 40c80881eb