Remove ErrorCleanup from FRenderer interface

src/d_main.cpp

@@ -961,7 +961,6 @@ void D_ErrorCleanup ()
 		menuactive = MENU_Off;
 	}
 	insave = false;
-	Renderer->ErrorCleanup();
 }
 
 //==========================================================================

src/r_renderer.h

@@ -53,7 +53,6 @@ struct FRenderer
 	virtual int GetMaxViewPitch(bool down) = 0;	// return value is in plain degrees
 
 	virtual void OnModeSet () {}
-	virtual void ErrorCleanup () {}
 	virtual void ClearBuffer(int color) = 0;
 	virtual void Init() = 0;
 	virtual void SetWindow (int windowSize, int fullWidth, int fullHeight, int stHeight, float trueratio) {}

src/swrenderer/r_swrenderer.cpp

@@ -276,11 +276,6 @@ void FSoftwareRenderer::OnModeSet ()
 	RenderScene::Instance()->ScreenResized();
 }
 
-void FSoftwareRenderer::ErrorCleanup ()
-{
-	Clip3DFloors::Instance()->Cleanup();
-}
-
 void FSoftwareRenderer::ClearBuffer(int color)
 {
 	if (!r_swtruecolor)

src/swrenderer/r_swrenderer.h

@@ -31,7 +31,6 @@ struct FSoftwareRenderer : public FRenderer
 	bool RequireGLNodes() override;
 
 	void OnModeSet () override;
-	void ErrorCleanup () override;
 	void ClearBuffer(int color) override;
 	void Init() override;
 	void SetWindow (int windowSize, int fullWidth, int fullHeight, int stHeight, float trueratio) override;

src/swrenderer/scene/r_scene.cpp

@@ -66,7 +66,7 @@ namespace swrenderer
 		WallScanCycles.Reset();
 
 		Clip3DFloors *clip3d = Clip3DFloors::Instance();
-		clip3d->fakeActive = false; // kg3D - reset fake floor indicator
+		clip3d->Cleanup();
 		clip3d->ResetClip(); // reset clips (floor/ceiling)
 
 		R_SetupBuffer();