Core/Misc: Kill copy/move constructors for singleton classes

src/server/game/Pools/QuestPools.cpp

@@ -25,6 +25,9 @@
 #include <unordered_map>
 #include <unordered_set>
 
+QuestPoolMgr::QuestPoolMgr() = default;
+QuestPoolMgr::~QuestPoolMgr() = default;
+
 /*static*/ QuestPoolMgr* QuestPoolMgr::instance()
 {
     static QuestPoolMgr instance;