Remove unused function

src/controller.cpp

@@ -414,16 +414,6 @@ bool Controller::saveAccessTokenToKeyChain(const AccountSettings &account, const
     return true;
 }
 
-void Controller::playAudio(const QUrl &localFile)
-{
-    auto player = new QMediaPlayer;
-    player->setMedia(localFile);
-    player->play();
-    connect(player, &QMediaPlayer::stateChanged, [player] {
-        player->deleteLater();
-    });
-}
-
 void Controller::changeAvatar(Connection *conn, const QUrl &localFile)
 {
     auto job = conn->uploadFile(localFile.toLocalFile());

src/controller.h

@@ -3,7 +3,6 @@
 
 #pragma once
 
-#include <QMediaPlayer>
 #include <QObject>
 #include <QQuickItem>
 
@@ -140,7 +139,6 @@ Q_SIGNALS:
 
 public Q_SLOTS:
     void logout(Quotient::Connection *conn, bool serverSideLogout);
-    static void playAudio(const QUrl &localFile);
     void changeAvatar(Quotient::Connection *conn, const QUrl &localFile);
     static void markAllMessagesAsRead(Quotient::Connection *conn);
     void restoreWindowGeometry(QQuickWindow *);