Revert "Switch to new vendor directory layout"

This reverts commit d5742209d3.

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

vendor/github.com/vishvananda/netlink/rule.go

@@ -1,43 +0,0 @@
-package netlink
-
-import (
-	"fmt"
-	"net"
-
-	"github.com/vishvananda/netlink/nl"
-)
-
-// Rule represents a netlink rule.
-type Rule struct {
-	*nl.RtMsg
-	Priority          int
-	Table             int
-	Mark              int
-	Mask              int
-	TunID             uint
-	Goto              int
-	Src               *net.IPNet
-	Dst               *net.IPNet
-	Flow              int
-	IifName           string
-	OifName           string
-	SuppressIfgroup   int
-	SuppressPrefixlen int
-}
-
-func (r Rule) String() string {
-	return fmt.Sprintf("ip rule %d: from %s table %d", r.Priority, r.Src, r.Table)
-}
-
-// NewRule return empty rules.
-func NewRule() *Rule {
-	return &Rule{
-		SuppressIfgroup:   -1,
-		SuppressPrefixlen: -1,
-		Priority:          -1,
-		Mark:              -1,
-		Mask:              -1,
-		Goto:              -1,
-		Flow:              -1,
-	}
-}