Fix: Trojan fallback

(cherry picked from commit 908408dd45a58c3c284ecf0dfef539c5681230d9)

proxy/trojan/server.go

@@ -2,7 +2,6 @@ package trojan
 
 import (
 	"context"
-	"crypto/tls"
 	"io"
 	"strconv"
 	"strings"
@@ -23,10 +22,11 @@ import (
 	"github.com/xtls/xray-core/common/session"
 	"github.com/xtls/xray-core/common/signal"
 	"github.com/xtls/xray-core/common/task"
-	core "github.com/xtls/xray-core/core"
+	"github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/features/policy"
 	"github.com/xtls/xray-core/features/routing"
 	"github.com/xtls/xray-core/features/stats"
+	"github.com/xtls/xray-core/transport/internet/tls"
 	"github.com/xtls/xray-core/transport/internet/udp"
 	"github.com/xtls/xray-core/transport/internet/xtls"
 )