Remove AbstractWaylandOutput::isBeingRecorded

It's not being used anywhere

src/abstract_wayland_output.cpp

@@ -314,21 +314,6 @@ QMatrix4x4 AbstractWaylandOutput::logicalToNativeMatrix(const QRect &rect, qreal
     return matrix;
 }
 
-void AbstractWaylandOutput::recordingStarted()
-{
-    m_recorders++;
-}
-
-void AbstractWaylandOutput::recordingStopped()
-{
-    m_recorders--;
-}
-
-bool AbstractWaylandOutput::isBeingRecorded()
-{
-    return m_recorders;
-}
-
 void AbstractWaylandOutput::setOverscanInternal(uint32_t overscan)
 {
     if (m_overscan != overscan) {

src/abstract_wayland_output.h

@@ -139,11 +139,6 @@ public:
      */
     static QMatrix4x4 logicalToNativeMatrix(const QRect &rect, qreal scale, Transform transform);
 
-    void recordingStarted();
-    void recordingStopped();
-
-    bool isBeingRecorded();
-
     void setVrrPolicy(RenderLoop::VrrPolicy policy);
     RenderLoop::VrrPolicy vrrPolicy() const;
     RgbRange rgbRange() const;
@@ -210,7 +205,6 @@ private:
     DpmsMode m_dpmsMode = DpmsMode::On;
     SubPixel m_subPixel = SubPixel::Unknown;
     int m_refreshRate = -1;
-    int m_recorders = 0;
     bool m_isEnabled = true;
     bool m_internal = false;
     bool m_isPlaceholder = false;

src/plugins/screencast/screencastmanager.cpp

@@ -138,12 +138,8 @@ void ScreencastManager::streamOutput(KWaylandServer::ScreencastStreamV1Interface
     };
     connect(stream, &ScreenCastStream::startStreaming, waylandStream, [streamOutput, stream, bufferToStream] {
         Compositor::self()->scene()->addRepaint(streamOutput->geometry());
-        streamOutput->recordingStarted();
         connect(streamOutput, &AbstractWaylandOutput::outputChange, stream, bufferToStream);
     });
-    connect(stream, &ScreenCastStream::stopStreaming, waylandStream, [streamOutput]{
-        streamOutput->recordingStopped();
-    });
     integrateStreams(waylandStream, stream);
 }