Remove remains of video mode querying

doc/minetest.6

@@ -92,8 +92,6 @@ Set password from contents of file
 .B \-\-random\-input
 Enable random user input, for testing (client only)
 .TP
-.B \-\-videomodes
-List available video modes (client only)
 .TP
 .B \-\-speedtests
 Run speed tests

src/client/renderingengine.cpp

@@ -638,25 +638,10 @@ float RenderingEngine::getDisplayDensity()
 
 #endif
 
-v2u32 RenderingEngine::getDisplaySize()
-{
-	IrrlichtDevice *nulldevice = createDevice(video::EDT_NULL);
-
-	core::dimension2d<u32> deskres =
-			nulldevice->getVideoModeList()->getDesktopResolution();
-	nulldevice->drop();
-
-	return deskres;
-}
-
 #else // __ANDROID__
 float RenderingEngine::getDisplayDensity()
 {
 	return porting::getDisplayDensity();
 }
 
-v2u32 RenderingEngine::getDisplaySize()
-{
-	return porting::getDisplaySize();
-}
 #endif // __ANDROID__

src/client/renderingengine.h

@@ -55,7 +55,6 @@ public:
 
 	static const VideoDriverInfo &getVideoDriverInfo(irr::video::E_DRIVER_TYPE type);
 	static float getDisplayDensity();
-	static v2u32 getDisplaySize();
 
 	bool setupTopLevelWindow(const std::string &name);
 	void setupTopLevelXorgWindow(const std::string &name);