[chore] Replace Country.mmdb with GeoIP.dat

component/mmdb/mmdb.go

@@ -1,45 +0,0 @@
-package mmdb
-
-import (
-	"sync"
-
-	C "github.com/Dreamacro/clash/constant"
-	"github.com/Dreamacro/clash/log"
-
-	"github.com/oschwald/geoip2-golang"
-)
-
-var (
-	mmdb *geoip2.Reader
-	once sync.Once
-)
-
-func LoadFromBytes(buffer []byte) {
-	once.Do(func() {
-		var err error
-		mmdb, err = geoip2.FromBytes(buffer)
-		if err != nil {
-			log.Fatalln("Can't load mmdb: %s", err.Error())
-		}
-	})
-}
-
-func Verify() bool {
-	instance, err := geoip2.Open(C.Path.MMDB())
-	if err == nil {
-		instance.Close()
-	}
-	return err == nil
-}
-
-func Instance() *geoip2.Reader {
-	once.Do(func() {
-		var err error
-		mmdb, err = geoip2.Open(C.Path.MMDB())
-		if err != nil {
-			log.Fatalln("Can't load mmdb: %s", err.Error())
-		}
-	})
-
-	return mmdb
-}