Revert "pNFS: nfs3_set_ds_client should set NFS_CS_NOPING"

Revert "pNFS: nfs3_set_ds_client should set NFS_CS_NOPING"

commit 33fb4d7e449459d944fca4d2171d11cedf249896 upstream.

This reverts commit 6d0b3ac771433772dbdef0a19b865d6f33dc1c71.
If a transport is down, then we want to fail over to other transports if
they are listed in the GETDEVICEINFO reply.

Fixes: 6d0b3ac77143 ("pNFS: nfs3_set_ds_client should set NFS_CS_NOPING")
Cc: stable@vger.kernel.org # 5.11.x
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>