Remove widget pointer from FixFloorTabController

The pointer is not needed and is an anti pattern.

src/tabcontrollers/FixFloorTabController.cpp

@@ -7,11 +7,9 @@ namespace advsettings
 {
 void FixFloorTabController::initStage1() {}
 
-void FixFloorTabController::initStage2( OverlayController* var_parent,
-                                        QQuickWindow* var_widget )
+void FixFloorTabController::initStage2( OverlayController* var_parent )
 {
     this->parent = var_parent;
-    this->widget = var_widget;
 }
 
 void FixFloorTabController::eventLoopTick(

src/tabcontrollers/FixFloorTabController.h

@@ -19,7 +19,6 @@ class FixFloorTabController : public QObject
 
 private:
     OverlayController* parent;
-    QQuickWindow* widget;
 
     float controllerUpOffsetCorrection
         = 0.062f; // Controller touchpad facing upwards
@@ -55,7 +54,7 @@ private:
 
 public:
     void initStage1();
-    void initStage2( OverlayController* parent, QQuickWindow* widget );
+    void initStage2( OverlayController* parent );
 
     void eventLoopTick( vr::TrackedDevicePose_t* devicePoses );