vendor: containerd/console v1.0.1, and remove golang.org/x/sys replace

this removes the replace rule that was added in 3c94621142,
to fix compile failures for macOS.

containerd/console v1.0.1 fixes those issues, which allows us to remove the
replace rule again.

full diff: https://github.com/containerd/console/compare/v1.0.0...v1.0.1

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

vendor/github.com/containerd/console/tc_netbsd.go

@@ -0,0 +1,45 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package console
+
+import (
+	"bytes"
+	"os"
+
+	"golang.org/x/sys/unix"
+)
+
+const (
+	cmdTcGet = unix.TIOCGETA
+	cmdTcSet = unix.TIOCSETA
+)
+
+// unlockpt unlocks the slave pseudoterminal device corresponding to the master pseudoterminal referred to by f.
+// unlockpt should be called before opening the slave side of a pty.
+// This does not exist on NetBSD, it does not allocate controlling terminals on open
+func unlockpt(f *os.File) error {
+	return nil
+}
+
+// ptsname retrieves the name of the first available pts for the given master.
+func ptsname(f *os.File) (string, error) {
+	ptm, err := unix.IoctlGetPtmget(int(f.Fd()), unix.TIOCPTSNAME)
+	if err != nil {
+		return "", err
+	}
+	return string(ptm.Sn[:bytes.IndexByte(ptm.Sn[:], 0)]), nil
+}