Remove widget pointer from MoveCenterTabController

The pointer is not needed and is an anti pattern.

src/overlaycontroller.cpp

@@ -492,7 +492,7 @@ void OverlayController::SetWidget( QQuickItem* quickItem,
     m_settingsTabController.initStage2( this );
     m_reviveTabController.initStage2( this );
     m_utilitiesTabController.initStage2( this );
-    m_moveCenterTabController.initStage2( this, m_pWindow.get() );
+    m_moveCenterTabController.initStage2( this );
 }
 
 void OverlayController::OnRenderRequest()

src/tabcontrollers/MoveCenterTabController.cpp

@@ -159,11 +159,9 @@ void MoveCenterTabController::initStage1()
     m_lastGravityUpdateTimePoint = std::chrono::steady_clock::now();
 }
 
-void MoveCenterTabController::initStage2( OverlayController* var_parent,
+void MoveCenterTabController::initStage2( OverlayController* var_parent )
-                                          QQuickWindow* var_widget )
 {
     this->parent = var_parent;
-    this->widget = var_widget;
     zeroOffsets();
     outputLogSettings();
 }

src/tabcontrollers/MoveCenterTabController.h

@@ -87,7 +87,6 @@ class MoveCenterTabController : public QObject
 
 private:
     OverlayController* parent;
-    QQuickWindow* widget;
 
     int m_trackingUniverse = static_cast<int>( vr::TrackingUniverseStanding );
     float m_offsetX = 0.0f;
@@ -192,7 +191,7 @@ private:
 
 public:
     void initStage1();
-    void initStage2( OverlayController* parent, QQuickWindow* widget );
+    void initStage2( OverlayController* parent );
 
     void eventLoopTick( vr::ETrackingUniverseOrigin universe,
                         vr::TrackedDevicePose_t* devicePoses );