Revert "pNFS: nfs3_set_ds_client should set NFS_CS_NOPING"

Revert "pNFS: nfs3_set_ds_client should set NFS_CS_NOPING"

commit 9597152d98840c2517230740952df97cfcc07e2f upstream.

This reverts commit c6eb58435b98bd843d3179664a0195ff25adb2c3.
If a transport is down, then we want to fail over to other transports if
they are listed in the GETDEVICEINFO reply.

Fixes: c6eb58435b98 ("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>