Refactor: plain http proxy (#1443)

context/http.go

@@ -1,47 +0,0 @@
-package context
-
-import (
-	"net"
-	"net/http"
-
-	C "github.com/Dreamacro/clash/constant"
-
-	"github.com/gofrs/uuid"
-)
-
-type HTTPContext struct {
-	id       uuid.UUID
-	metadata *C.Metadata
-	conn     net.Conn
-	req      *http.Request
-}
-
-func NewHTTPContext(conn net.Conn, req *http.Request, metadata *C.Metadata) *HTTPContext {
-	id, _ := uuid.NewV4()
-	return &HTTPContext{
-		id:       id,
-		metadata: metadata,
-		conn:     conn,
-		req:      req,
-	}
-}
-
-// ID implement C.ConnContext ID
-func (hc *HTTPContext) ID() uuid.UUID {
-	return hc.id
-}
-
-// Metadata implement C.ConnContext Metadata
-func (hc *HTTPContext) Metadata() *C.Metadata {
-	return hc.metadata
-}
-
-// Conn implement C.ConnContext Conn
-func (hc *HTTPContext) Conn() net.Conn {
-	return hc.conn
-}
-
-// Request return the http request struct
-func (hc *HTTPContext) Request() *http.Request {
-	return hc.req
-}