Revert "add file soft link path resolve support (#1482)" (#1495)

This reverts commit eaf401eda9.

infra/conf/serial/builder.go

@@ -2,7 +2,6 @@ package serial
 
 import (
 	"io"
-	"path/filepath"
 
 	"github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/infra/conf"
@@ -11,11 +10,7 @@ import (
 
 func BuildConfig(files []string, formats []string) (*core.Config, error) {
 	cf := &conf.Config{}
-	for i, file_ := range files {
-		file, err := filepath.EvalSymlinks(file_)
-		if err != nil {
-			return nil, err
-		}
+	for i, file := range files {
 		newError("Reading config: ", file).AtInfo().WriteToLog()
 		r, err := confloader.LoadConfig(file)
 		if err != nil {