Remove unused includes and use more direct includes

plugins/samplesource/hackrfinput/hackrfinput.cpp

@@ -30,9 +30,7 @@
 
 #include "util/simpleserializer.h"
 #include "dsp/dspcommands.h"
-#include "dsp/dspengine.h"
 #include "device/deviceapi.h"
-#include "hackrf/devicehackrfvalues.h"
 #include "hackrf/devicehackrfshared.h"
 
 #include "hackrfinput.h"

plugins/samplesource/hackrfinput/hackrfinputgui.cpp

@@ -29,7 +29,6 @@
 #include "gui/glspectrum.h"
 #include "gui/basicdevicesettingsdialog.h"
 #include "gui/dialogpositioner.h"
-#include "dsp/dspengine.h"
 #include "dsp/dspcommands.h"
 #include "device/deviceapi.h"
 #include "device/deviceuiset.h"

plugins/samplesource/hackrfinput/hackrfinputplugin.cpp

@@ -19,10 +19,8 @@
 
 
 #include <QtPlugin>
-#include "libhackrf/hackrf.h"
 
 #include "plugin/pluginapi.h"
-#include "util/simpleserializer.h"
 
 #ifdef SERVER_MODE
 #include "hackrfinput.h"