audio/vorbis: use go:embed

Updates #1258

audio/vorbis/generate.go

@@ -1,19 +0,0 @@
-// Copyright 2019 The Ebiten Authors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-//go:generate go run github.com/hajimehoshi/file2byteslice/cmd/file2byteslice@v1.0.0 -package=vorbis_test -input=./test_mono.ogg -output=./testmonoogg_test.go -var=test_mono_ogg
-//go:generate go run github.com/hajimehoshi/file2byteslice/cmd/file2byteslice@v1.0.0 -package=vorbis_test -input=./test_tooshort.ogg -output=./testtooshortogg_test.go -var=test_tooshort_ogg
-//go:generate gofmt -s -w .
-
-package vorbis

audio/vorbis/vorbis_test.go

@@ -16,6 +16,7 @@ package vorbis_test
 
 import (
 	"bytes"
+	_ "embed"
 	"io"
 	"testing"
 
@@ -25,6 +26,14 @@ import (
 	"github.com/hajimehoshi/ebiten/v2/audio/vorbis"
 )
 
+var (
+	//go:embed test_mono.ogg
+	test_mono_ogg []byte
+
+	//go:embed test_tooshort.ogg
+	test_tooshort_ogg []byte
+)
+
 var audioContext = audio.NewContext(44100)
 
 func TestMono(t *testing.T) {