Remove superfluous slots in MemoryViewer

Plus some template nonsense due to slot overloading

source/RobotAPI/libraries/armem_gui/PeriodicUpdateWidget.cpp

@@ -52,8 +52,9 @@ namespace armarx::armem::gui
         connect(this, &This::updatePeriodic, this, &This::update);
 
         // See `startTimerIfEnabled` for the signal reasoning.
-        connect(this, &This::startTimerSignal, this, &This::_startTimerSlot);
-        connect(this, &This::stopTimerSignal, this, &This::_stopTimerSlot);
+        // qOverload is required because `QTimer::start()` is overloaded.
+        connect(this, &This::startTimerSignal, _timer, qOverload<>(&QTimer::start));
+        connect(this, &This::stopTimerSignal, _timer, &QTimer::stop);
     }
 
     QPushButton* PeriodicUpdateWidget::updateButton()
@@ -109,16 +110,6 @@ namespace armarx::armem::gui
         }
     }
 
-    void PeriodicUpdateWidget::_startTimerSlot()
-    {
-        _timer->start();
-    }
-
-    void PeriodicUpdateWidget::_stopTimerSlot()
-    {
-        _timer->stop();
-    }
-
     QCheckBox* PeriodicUpdateWidget::autoCheckBox()
     {
         return _autoCheckBox;

source/RobotAPI/libraries/armem_gui/PeriodicUpdateWidget.h

@@ -49,9 +49,6 @@ namespace armarx::armem::gui
 
         void _updateTimerFrequency();
         void _toggleAutoUpdates(bool enabled);
-        void _startTimerSlot();
-        void _stopTimerSlot();
-
 
     signals: