src: remove unused variable

Signed-off-by: Marcus Müller <marcus_clementine@baseband.digital>

src/moodbar/moodbarbuilder.cpp

@@ -92,12 +92,10 @@ void MoodbarBuilder::Normalize(QList<Rgb>* vals, double Rgb::*member) {
   }
 
   double avg = 0;
-  int t = 0;
   for (const Rgb& rgb : *vals) {
     const double value = rgb.*member;
     if (value != mini && value != maxi) {
       avg += value / vals->count();
-      t++;
     }
   }
 

src/playlist/playlist.cpp

@@ -1729,13 +1729,11 @@ PlaylistItemList Playlist::RemoveItemsWithoutUndo(int row, int count) {
   endRemoveRows();
 
   QList<int>::iterator it = virtual_items_.begin();
-  int i = 0;
   while (it != virtual_items_.end()) {
     if (*it >= items_.count())
       it = virtual_items_.erase(it);
     else
       ++it;
-    ++i;
   }
 
   // Reset current_virtual_index_

src/ripper/ripper.cpp

@@ -34,12 +34,6 @@
 #undef AddJob
 #endif
 
-namespace {
-const char kWavHeaderRiffMarker[] = "RIFF";
-const char kWavFileTypeFormatChunk[] = "WAVEfmt ";
-const char kWavDataString[] = "data";
-}  // namespace
-
 Ripper::Ripper(int track_count, QObject* parent)
     : QObject(parent),
       track_count_(track_count),