Revert "[fix]code"

This reverts commit 0431969a73.

constant/provider/interface.go

@@ -1,6 +1,5 @@
 package provider
 
-import "C"
 import (
 	"github.com/Dreamacro/clash/constant"
 )
@@ -80,8 +79,6 @@ const (
 	Classical
 )
 
-type Behavior int
-
 // RuleType defined
 type RuleType int
 

constant/rule.go

@@ -12,7 +12,6 @@ const (
 	SrcPort
 	DstPort
 	Process
-	RuleSet
 	Script
 	MATCH
 )
@@ -41,8 +40,6 @@ func (rt RuleType) String() string {
 		return "DstPort"
 	case Process:
 		return "Process"
-	case RuleSet:
-		return "RuleSet"
 	case Script:
 		return "Script"
 	case MATCH: