General: Remove unnecessary semicolons

Source/Core/DolphinQt2/Config/Graphics/GraphicsBool.h

@@ -11,7 +11,7 @@ namespace Config
 {
 template <typename T>
 struct ConfigInfo;
-};
+}
 
 class GraphicsBool : public QCheckBox
 {

Source/Core/DolphinQt2/Config/Graphics/GraphicsChoice.h

@@ -10,7 +10,7 @@ namespace Config
 {
 template <typename T>
 struct ConfigInfo;
-};
+}
 
 class GraphicsChoice : public QComboBox
 {

Source/Core/DolphinQt2/Config/Graphics/GraphicsSlider.h

@@ -10,7 +10,7 @@ namespace Config
 {
 template <typename T>
 struct ConfigInfo;
-};
+}
 
 class GraphicsSlider : public QSlider
 {

Source/Core/DolphinQt2/Config/Mapping/MappingNumeric.h

@@ -12,7 +12,7 @@ class MappingWidget;
 namespace ControllerEmu
 {
 class NumericSetting;
-};
+}
 
 class MappingNumeric : public QSpinBox
 {

Source/Core/DolphinQt2/WiiUpdate.cpp

@@ -116,4 +116,4 @@ void PerformOnlineUpdate(const std::string& region, QWidget* parent)
     break;
   }
 }
-};  // namespace WiiUpdate
+}  // namespace WiiUpdate

Source/Core/DolphinQt2/WiiUpdate.h

@@ -11,4 +11,4 @@ class QWidget;
 namespace WiiUpdate
 {
 void PerformOnlineUpdate(const std::string& region, QWidget* parent = nullptr);
-};  // namespace WiiUpdate
+}  // namespace WiiUpdate