[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/CMakeLists.txt

@@ -48,7 +48,7 @@ SET(zone_sources
     heal_rotation.cpp
     horse.cpp
     inventory.cpp
-    loottables.cpp
+    loot.cpp
     lua_bot.cpp
     lua_bit.cpp
     lua_corpse.cpp
@@ -87,7 +87,7 @@ SET(zone_sources
     hate_list.cpp
     horse.cpp
     inventory.cpp
-    loottables.cpp
+    loot.cpp
     main.cpp
     map.cpp
     merc.cpp