configure_hotkeys: Remove unused EmitHotkeysChanged()

1. This is something that should be solely emitted by the hotkey dialog
itself
2. This is functionally unused, given there's nothing listening for the
signal.

src/yuzu/configuration/configure_dialog.cpp

@@ -25,9 +25,6 @@ ConfigureDialog::ConfigureDialog(QWidget* parent, HotkeyRegistry& registry)
 
     adjustSize();
     ui->selectorList->setCurrentRow(0);
-
-    // Synchronise lists upon initialisation
-    ui->hotkeysTab->EmitHotkeysChanged();
 }
 
 ConfigureDialog::~ConfigureDialog() = default;

src/yuzu/configuration/configure_hotkeys.cpp

@@ -31,10 +31,6 @@ ConfigureHotkeys::ConfigureHotkeys(QWidget* parent)
 
 ConfigureHotkeys::~ConfigureHotkeys() = default;
 
-void ConfigureHotkeys::EmitHotkeysChanged() {
-    emit HotkeysChanged(GetUsedKeyList());
-}
-
 QList<QKeySequence> ConfigureHotkeys::GetUsedKeyList() const {
     QList<QKeySequence> list;
     for (int r = 0; r < model->rowCount(); r++) {
@@ -87,7 +83,6 @@ void ConfigureHotkeys::Configure(QModelIndex index) {
                               tr("You're using a key that's already bound."));
     } else {
         model->setData(index, key_sequence.toString(QKeySequence::NativeText));
-        EmitHotkeysChanged();
     }
 }
 

src/yuzu/configuration/configure_hotkeys.h

@@ -24,8 +24,6 @@ public:
     void applyConfiguration(HotkeyRegistry& registry);
     void retranslateUi();
 
-    void EmitHotkeysChanged();
-
     /**
      * Populates the hotkey list widget using data from the provided registry.
      * Called everytime the Configure dialog is opened.
@@ -33,9 +31,6 @@ public:
      */
     void Populate(const HotkeyRegistry& registry);
 
-signals:
-    void HotkeysChanged(QList<QKeySequence> new_key_list);
-
 private:
     void Configure(QModelIndex index);
     bool IsUsedKey(QKeySequence key_sequence) const;