Revert "multiple config"

main/jsonem/errors.generated.go

@@ -1,9 +0,0 @@
-package jsonem
-
-import "v2ray.com/core/common/errors"
-
-type errPathObjHolder struct{}
-
-func newError(values ...interface{}) *errors.Error {
-	return errors.New(values...).WithPathObj(errPathObjHolder{})
-}

main/jsonem/jsonem.go

@@ -1,38 +1,15 @@
 package jsonem
 
 import (
-	"io"
-
 	"v2ray.com/core"
 	"v2ray.com/core/common"
-	"v2ray.com/core/common/cmdarg"
-	"v2ray.com/core/infra/conf"
 	"v2ray.com/core/infra/conf/serial"
-	"v2ray.com/core/main/confloader"
 )
 
 func init() {
 	common.Must(core.RegisterConfigLoader(&core.ConfigFormat{
 		Name:      "JSON",
 		Extension: []string{"json"},
-		Loader: func(input interface{}) (*core.Config, error) {
-			switch v := input.(type) {
-			case cmdarg.Arg:
-				cf := &conf.Config{}
-				for _, arg := range v {
-					newError("Reading config: ", arg).AtInfo().WriteToLog()
-					r, err := confloader.LoadConfig(arg)
-					common.Must(err)
-					c, err := serial.DecodeJSONConfig(r)
-					common.Must(err)
-					cf.Override(c, arg)
-				}
-				return cf.Build()
-			case io.Reader:
-				return serial.LoadJSONConfig(v)
-			default:
-				return nil, newError("unknow type")
-			}
-		},
+		Loader:    serial.LoadJSONConfig,
 	}))
 }