chore: PacketStreamFilter, use default for deconstructor

src/lib/deskflow/PacketStreamFilter.cpp

@@ -27,11 +27,6 @@ PacketStreamFilter::PacketStreamFilter(IEventQueue *events, deskflow::IStream *s
   // do nothing
 }
 
-PacketStreamFilter::~PacketStreamFilter()
-{
-  // do nothing
-}
-
 void PacketStreamFilter::close()
 {
   Lock lock(&m_mutex);

src/lib/deskflow/PacketStreamFilter.h

@@ -21,7 +21,7 @@ class PacketStreamFilter : public StreamFilter
 {
 public:
   PacketStreamFilter(IEventQueue *events, deskflow::IStream *stream, bool adoptStream = true);
-  ~PacketStreamFilter() override;
+  ~PacketStreamFilter() override = default;
 
   // IStream overrides
   void close() override;