Sample source plugins: removed useless init pure virtual method

plugins/samplesource/bladerfinput/bladerfinput.cpp

@@ -52,11 +52,6 @@ BladerfInput::~BladerfInput()
     m_deviceAPI->setBuddySharedPtr(0);
 }
 
-bool BladerfInput::init(const Message& cmd)
-{
-	return false;
-}
-
 bool BladerfInput::start(int device)
 {
 //	QMutexLocker mutexLocker(&m_mutex);

plugins/samplesource/bladerfinput/bladerfinput.h

@@ -71,7 +71,6 @@ public:
 	BladerfInput(DeviceSourceAPI *deviceAPI);
 	virtual ~BladerfInput();
 
-	virtual bool init(const Message& message);
 	virtual bool start(int device);
 	virtual void stop();
 

plugins/samplesource/bladerfinput/bladerfinputplugin.cpp

@@ -27,7 +27,7 @@
 
 const PluginDescriptor BlderfInputPlugin::m_pluginDescriptor = {
 	QString("BladerRF Input"),
-	QString("3.3.3"),
+	QString("3.4.0"),
 	QString("(c) Edouard Griffiths, F4EXB"),
 	QString("https://github.com/f4exb/sdrangel"),
 	true,