[Loot] Remove from shared memory, simplification (#3988)

* First pass of pulling loot out of shared memory, functional

* More code cleanup

* More cleanup

* More cleanup

* More cleanup

* Add loot reload type

* Reload, logging

* Update npc.h

* Cleanup

* Logging, don't load attempt to load loottable id 0

* Update worldserver.cpp

* Update client.cpp

* Update zone_loot.cpp

* PR feedback

* Update zone.cpp

* Memory leak suggestion

* Update CMakeLists.txt

* Post rebase issues

zone/zone.cpp

@@ -3240,3 +3240,5 @@ void Zone::SetSecondsBeforeIdle(uint32 seconds_before_idle)
 {
 	Zone::m_seconds_before_idle = seconds_before_idle;
 }
+
+#include "zone_loot.cpp"