JANITORIAL: Remove unnecessary empty default constructors/destructors.

backends/platform/ps2/icon.h

@@ -22,10 +22,6 @@
 
 class PS2Icon {
 public:
-	PS2Icon() {};
-
-	~PS2Icon() {};
-
 	uint16 decompressData(uint16 **data);
 	void setup(mcIcon *icon);
 };

backends/platform/psp/default_display_client.h

@@ -65,9 +65,6 @@ protected:
  */
 class Overlay : public DefaultDisplayClient {
 public:
-	Overlay() {}
-	~Overlay() {}
-
 	void init();
 	bool allocate();
 	void setBytesPerPixel(uint32 size);
@@ -85,7 +82,6 @@ public:
 		memset(&_pixelFormat, 0, sizeof(_pixelFormat));
 		memset(&_frameBuffer, 0, sizeof(_frameBuffer));
 	}
-	~Screen() {}
 
 	void init();
 	bool allocate();

engines/saga/sndres.cpp

@@ -104,9 +104,6 @@ SndRes::SndRes(SagaEngine *vm) : _vm(vm), _sfxContext(NULL), _voiceContext(NULL)
 	}
 }
 
-SndRes::~SndRes() {
-}
-
 void SndRes::setVoiceBank(int serial) {
 	Common::File *file;
 	if (_voiceSerial == serial)

engines/saga/sndres.h

@@ -39,7 +39,6 @@ class SndRes {
 public:
 
 	SndRes(SagaEngine *vm);
-	~SndRes();
 
 	void playSound(uint32 resourceId, int volume, bool loop);
 	void playVoice(uint32 resourceId);

graphics/imagedec.h

@@ -36,7 +36,6 @@ struct Surface;
 
 class ImageDecoder {
 public:
-	ImageDecoder() {}
 	virtual ~ImageDecoder() {}
 
 	static Surface *loadFile(const Common::String &name, const PixelFormat &format);