nfsd: remove nfsd4_prepare_cb_recall() declaration

nfsd4_prepare_cb_recall() has been removed since
commit 0162ac2b97 ("nfsd: introduce nfsd4_callback_ops"),
so remove it.

Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Gaosheng Cui 2022-09-09 14:59:10 +08:00 • committed by Chuck Lever
commit 18224dc58d