remove unnecessary files

transport/internet/internal/errors.generated.go

@@ -1,7 +0,0 @@
-package internal
-
-import "v2ray.com/core/common/errors"
-
-func newError(values ...interface{}) *errors.Error {
-	return errors.New(values...).Path("Transport", "Internet", "Internal")
-}

transport/internet/internal/internal.go

@@ -1,3 +0,0 @@
-package internal
-
-//go:generate go run $GOPATH/src/v2ray.com/core/tools/generrorgen/main.go -pkg internal -path Transport,Internet,Internal