vpcagent: remove unused code

pkg/vpcagent/models/modelsets.go

@@ -15,28 +15,11 @@
 package models
 
 import (
-	"strings"
 	"time"
 
 	"yunion.io/x/onecloud/pkg/vpcagent/apihelper"
 )
 
-// pluralMap maps from KeyPlurals to underscore-separated field names
-var pluralMap = map[string]string{}
-
-func init() {
-	// XXX drop this
-	ss := []string{
-		"vpcs",
-		"networks",
-		"guestnetworks",
-	}
-	for _, s := range ss {
-		k := strings.Replace(s, "_", "", -1)
-		pluralMap[k] = s
-	}
-}
-
 type ModelSetsMaxUpdatedAt struct {
 	Vpcs               time.Time
 	Wires              time.Time