[Commands] Cleanup #reloadworld and #repop Command. (#2127)

* [Commands] Cleanup #reloadworld Command.
- Cleanup messages and logic.

* [Commands] Cleanup #reloadworld and #repop Command.
- Cleanup messages and logic.
- Add #reloadworld 2 option to forcefully repop all mobs globally as well as reset quest timers and reload quests.
- Remove delay argument from #repop as it isn't used for anything.

* Typos.

common/emu_constants.h

@@ -416,4 +416,10 @@ enum ConsiderLevel : uint8 {
 	Scowls
 };
 
+enum ReloadWorld : uint8 {
+	NoRepop = 0,
+	Repop,
+	ForceRepop
+};
+
 #endif /*COMMON_EMU_CONSTANTS_H*/