Licence fix, add SPDX-License-Identifier, remove unused code files

src/demod/DemodDefs.h

@@ -1,3 +1,6 @@
+// Copyright (c) Charles J. Cliffe
+// SPDX-License-Identifier: GPL-2.0+
+
 #pragma once
 
 #include "ThreadQueue.h"

src/demod/DemodulatorInstance.cpp

@@ -1,3 +1,6 @@
+// Copyright (c) Charles J. Cliffe
+// SPDX-License-Identifier: GPL-2.0+
+
 #include "DemodulatorInstance.h"
 #include "CubicSDR.h"
 

src/demod/DemodulatorInstance.h

@@ -1,3 +1,6 @@
+// Copyright (c) Charles J. Cliffe
+// SPDX-License-Identifier: GPL-2.0+
+
 #pragma once
 
 #include <vector>

src/demod/DemodulatorMgr.cpp

@@ -1,3 +1,6 @@
+// Copyright (c) Charles J. Cliffe
+// SPDX-License-Identifier: GPL-2.0+
+
 #include <DemodulatorMgr.h>
 #include <sstream>
 #include <algorithm>

src/demod/DemodulatorMgr.h

@@ -1,3 +1,6 @@
+// Copyright (c) Charles J. Cliffe
+// SPDX-License-Identifier: GPL-2.0+
+
 #pragma once
 
 #include <vector>

src/demod/DemodulatorPreThread.cpp

@@ -1,3 +1,6 @@
+// Copyright (c) Charles J. Cliffe
+// SPDX-License-Identifier: GPL-2.0+
+
 #include "CubicSDRDefs.h"
 #include <vector>
 

src/demod/DemodulatorPreThread.h

@@ -1,3 +1,6 @@
+// Copyright (c) Charles J. Cliffe
+// SPDX-License-Identifier: GPL-2.0+
+
 #pragma once
 
 #include <queue>

src/demod/DemodulatorThread.cpp

@@ -1,3 +1,6 @@
+// Copyright (c) Charles J. Cliffe
+// SPDX-License-Identifier: GPL-2.0+
+
 #include "CubicSDRDefs.h"
 #include "DemodulatorThread.h"
 #include "DemodulatorInstance.h"

src/demod/DemodulatorThread.h

@@ -1,3 +1,6 @@
+// Copyright (c) Charles J. Cliffe
+// SPDX-License-Identifier: GPL-2.0+
+
 #pragma once
 
 #include <queue>

src/demod/DemodulatorWorkerThread.cpp

@@ -1,3 +1,6 @@
+// Copyright (c) Charles J. Cliffe
+// SPDX-License-Identifier: GPL-2.0+
+
 #include "DemodulatorWorkerThread.h"
 #include "CubicSDRDefs.h"
 #include "CubicSDR.h"

src/demod/DemodulatorWorkerThread.h

@@ -1,3 +1,6 @@
+// Copyright (c) Charles J. Cliffe
+// SPDX-License-Identifier: GPL-2.0+
+
 #pragma once
 
 #include <queue>