Remove unused code.

src/covermanager/discogscoverprovider.cpp

@@ -231,7 +231,7 @@ void DiscogsCoverProvider::HandleSearchReply(QNetworkReply *reply, int s_id) {
 
   for (const QVariant &result : results) {
     QVariantMap result_map = result.toMap();
-    int r_id;
+    int r_id = 0;
     QString title;
     QString resource_url;
     if ((!result_map.contains("id")) || (!result_map.contains("resource_url"))) continue;

src/settings/behavioursettingspage.cpp

@@ -30,13 +30,6 @@
 
 const char *BehaviourSettingsPage::kSettingsGroup = "Behaviour";
 
-namespace {
-  
-  bool LocaleAwareCompare(const QString& a, const QString& b) {
-    return a.localeAwareCompare(b) < 0;
-  }
-}  // namespace
-
 BehaviourSettingsPage::BehaviourSettingsPage(SettingsDialog *dialog) : SettingsPage(dialog), ui_(new Ui_BehaviourSettingsPage) {
 
   ui_->setupUi(this);

src/settings/playlistsettingspage.cpp

@@ -33,13 +33,6 @@
 
 const char *PlaylistSettingsPage::kSettingsGroup = "Playlist";
 
-namespace {
-  
-  bool LocaleAwareCompare(const QString &a, const QString &b) {
-    return a.localeAwareCompare(b) < 0;
-  }
-}  // namespace
-
 PlaylistSettingsPage::PlaylistSettingsPage(SettingsDialog* dialog) : SettingsPage(dialog), ui_(new Ui_PlaylistSettingsPage) {
   
   ui_->setupUi(this);