node: Move unix-specific functions back to node.go

node_darwin.go

@@ -10,18 +10,6 @@ func (node *Node) OpenForReading() (*os.File, error) {
 	return os.Open(node.path)
 }
 
-func (node *Node) createDevAt(path string) error {
-	return syscall.Mknod(path, syscall.S_IFBLK|0600, int(node.Device))
-}
-
-func (node *Node) createCharDevAt(path string) error {
-	return syscall.Mknod(path, syscall.S_IFCHR|0600, int(node.Device))
-}
-
-func (node *Node) createFifoAt(path string) error {
-	return syscall.Mkfifo(path, 0600)
-}
-
 func changeTime(stat *syscall.Stat_t) time.Time {
 	return time.Unix(stat.Ctimespec.Unix())
 }