Core/Socket: Removed unused synchronous read method

(cherry picked from commit 59e9bcf0bf44d89397f5a182e2ef21f7e3a3635d)

Conflicts:
	src/server/game/Server/WorldSocket.cpp

src/server/shared/Threading/ProducerConsumerQueue.h

@@ -70,7 +70,9 @@ public:
     {
         std::unique_lock<std::mutex> lock(_queueLock);
 
-        _condition.wait(lock, [this]() { return !_queue.empty() || _shutdown; });
+        // we could be using .wait(lock, predicate) overload here but some threading error analysis tools produce false positives
+        while (_queue.empty() && !_shutdown)
+            _condition.wait(lock);
 
         if (_queue.empty() || _shutdown)
             return;