refactor(Core): apply clang-tidy modernize-use-equals-default (#3834)

src/common/Threading/LockedQueue.h

@@ -36,9 +36,7 @@ namespace ACE_Based
         }
 
         //! Destroy a LockedQueue.
-        virtual ~LockedQueue()
-        {
-        }
+        virtual ~LockedQueue() = default;
 
         //! Adds an item to the queue.
         void add(const T& item)

src/common/Threading/Threading.h

@@ -18,7 +18,7 @@ namespace acore
     class Runnable
     {
     public:
-        virtual ~Runnable() {}
+        virtual ~Runnable() = default;
         virtual void run() = 0;
 
         void incReference() { ++m_refs; }