Remove ChartLyrics (service is down)

src/lyrics/chartlyricsprovider.h

@@ -1,56 +0,0 @@
-/*
- * Strawberry Music Player
- * Copyright 2018, Jonas Kvinge <jonas@jkvinge.net>
- *
- * Strawberry is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Strawberry is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Strawberry.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-#ifndef CHARTLYRICSPROVIDER_H
-#define CHARTLYRICSPROVIDER_H
-
-#include "config.h"
-
-#include <stdbool.h>
-
-#include <QObject>
-#include <QVariant>
-#include <QString>
-#include <QNetworkAccessManager>
-#include <QNetworkReply>
-
-#include "lyricsprovider.h"
-#include "lyricsfetcher.h"
-
-class ChartLyricsProvider : public LyricsProvider {
-  Q_OBJECT
-
- public:
-  explicit ChartLyricsProvider(QObject *parent = nullptr);
-
-  bool StartSearch(const QString &artist, const QString &album, const QString &title, const quint64 id);
-  void CancelSearch(quint64 id);
-
- private slots:
-  void HandleSearchReply(QNetworkReply *reply, const quint64 id, const QString &artist, const QString &title);
-
- private:
-  static const char *kUrlSearch;
-  static const int kMaxLength;
-  QNetworkAccessManager *network_;
-  void Error(const quint64 id, const QString &error, QVariant debug = QVariant());
-
-};
-
-#endif  // CHARTLYRICSPROVIDER_H