queue/PlaylistUpdate: include cleanup

src/playlist/PlaylistStream.cxx

@@ -21,7 +21,6 @@
 #include "PlaylistStream.hxx"
 #include "PlaylistRegistry.hxx"
 #include "util/UriUtil.hxx"
-#include "util/Error.hxx"
 #include "input/InputStream.hxx"
 #include "input/LocalOpen.hxx"
 #include "fs/Path.hxx"

src/queue/PlaylistEdit.cxx

@@ -28,7 +28,6 @@
 #include "Listener.hxx"
 #include "PlaylistError.hxx"
 #include "player/Control.hxx"
-#include "util/Error.hxx"
 #include "DetachedSong.hxx"
 #include "SongLoader.hxx"
 

src/queue/PlaylistUpdate.cxx

@@ -21,9 +21,9 @@
 #include "Playlist.hxx"
 #include "db/Interface.hxx"
 #include "db/LightSong.hxx"
-#include "db/DatabaseError.hxx"
 #include "DetachedSong.hxx"
-#include "util/Error.hxx"
+
+#include <stdexcept>
 
 static bool
 UpdatePlaylistSong(const Database &db, DetachedSong &song)