[Code Cleanup] Zone Data Loading Refactor (#2388)

* [Code Cleanup] Zone data loading refactor

* Update client_packet.cpp

* strcpy adjustments

* Ensure safe points get reloaded properly

* Simplify GetPEQZone and getZoneShutDownDelay

* Bring in zone_store where needed

* Update client.cpp

* Signature

* Signature

* Convert helpers to using pointers

* PR comment

* Update worlddb.cpp

* Fix loading for instances

* Fix zoning with fallback as well

* Another place for instance fallback

world/CMakeLists.txt

@@ -32,7 +32,6 @@ SET(world_sources
 	world_server_command_handler.cpp
 	worlddb.cpp
 	world_boot.cpp
-	world_store.cpp
 	zonelist.cpp
 	zoneserver.cpp
 )
@@ -71,7 +70,6 @@ SET(world_headers
 	worlddb.h
 	world_boot.h
 	world_event_scheduler.h
-	world_store.h
 	zonelist.h
 	zoneserver.h
 )