update

vendor/golang.org/x/sys/unix/aliases.go

@@ -1,14 +0,0 @@
-// Copyright 2018 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
-// +build go1.9
-
-package unix
-
-import "syscall"
-
-type Signal = syscall.Signal
-type Errno = syscall.Errno
-type SysProcAttr = syscall.SysProcAttr