Remove unused package

proxy/dokodemo/dokodemo.go

@@ -91,7 +91,7 @@ func (d *DokodemoDoor) Process(ctx context.Context, network net.Network, conn st
 			}
 		}
 		if dest.Port == 0 {
-			dest.Port = net.Port(common.Must2(strconv.Atoi(port)).(int))
+			dest.Port = net.Port(common.Must2(strconv.Atoi(port)))
 		}
 		if d.portMap != nil && d.portMap[port] != "" {
 			h, p, _ := net.SplitHostPort(d.portMap[port])
@@ -99,7 +99,7 @@ func (d *DokodemoDoor) Process(ctx context.Context, network net.Network, conn st
 				dest.Address = net.ParseAddress(h)
 			}
 			if len(p) > 0 {
-				dest.Port = net.Port(common.Must2(strconv.Atoi(p)).(int))
+				dest.Port = net.Port(common.Must2(strconv.Atoi(p)))
 			}
 		}
 	}

proxy/shadowsocks/config.go

@@ -2,7 +2,6 @@ package shadowsocks
 
 import (
 	"bytes"
-	"crypto/aes"
 	"crypto/cipher"
 	"crypto/md5"
 	"crypto/sha1"

proxy/vmess/aead/encrypt.go

@@ -2,8 +2,6 @@ package aead
 
 import (
 	"bytes"
-	"crypto/aes"
-	"crypto/cipher"
 	"crypto/rand"
 	"encoding/binary"
 	"io"

proxy/vmess/encoding/client.go

@@ -3,8 +3,6 @@ package encoding
 import (
 	"bytes"
 	"context"
-	"crypto/aes"
-	"crypto/cipher"
 	"crypto/rand"
 	"crypto/sha256"
 	"encoding/binary"

proxy/vmess/encoding/server.go

@@ -2,8 +2,6 @@ package encoding
 
 import (
 	"bytes"
-	"crypto/aes"
-	"crypto/cipher"
 	"crypto/sha256"
 	"encoding/binary"
 	"hash/fnv"

transport/internet/kcp/cryptreal.go

@@ -1,11 +1,9 @@
 package kcp
 
 import (
-	"crypto/aes"
 	"crypto/cipher"
 	"crypto/sha256"
 
-	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/crypto"
 )