feat(datacap): refactor datacap into a tracker (#63)

Author: garmr-ulfr

constant/proxy.go

@@ -5,7 +5,6 @@ const (
 	TypeALGeneva = "algeneva"
 	TypeOutline  = "outline"
 	TypeWATER    = "water"
-	TypeDataCap  = "datacap"
 )
 
 const (

datacap/extractor.go

@@ -6,7 +6,6 @@ import (
 	"github.com/sagernet/sing-box/adapter/outbound"
 	"github.com/sagernet/sing-box/include"
 
-	"github.com/getlantern/sing-box-extensions/datacap"
 	"github.com/getlantern/sing-box-extensions/protocol/algeneva"
 	"github.com/getlantern/sing-box-extensions/protocol/amnezia"
 	"github.com/getlantern/sing-box-extensions/protocol/group"
@@ -19,7 +18,6 @@ var supportedProtocols = []string{
 	"algeneva",
 	"amnezia",
 	"outline",
-	"water",
 
 	// sing-box built-in protocols
 	"http",
@@ -43,7 +41,6 @@ func GetRegistries() (*inbound.Registry, *outbound.Registry, *endpoint.Registry)
 	endpointRegistry := include.EndpointRegistry()
 
 	registerInbounds(inboundRegistry)
-	registerMiddleware(inboundRegistry)
 	registerOutbounds(outboundRegistry)
 	registerEndpoints(endpointRegistry)
 
@@ -57,11 +54,6 @@ func registerInbounds(registry *inbound.Registry) {
 	water.RegisterInbound(registry)
 }
 
-func registerMiddleware(registry *inbound.Registry) {
-	// Middleware components that track/monitor connections
-	datacap.RegisterInbound(registry)
-}
-
 func registerOutbounds(registry *outbound.Registry) {
 	// custom protocol outbounds
 	algeneva.RegisterOutbound(registry)