[Commands] Cleanup #reloadzps Command. (#2129)

* [Commands] Cleanup #reloadzps Command.
- Cleanup messages and logic.
- Make reloading of zone points global instead of zone specific.

* Further cleanup.
- Add zone->GetZoneDescription().
- Add mob->GetTargetDescription(mob).

* Final cleanup.

* Typo.

zone/gm_commands/distance.cpp

@@ -8,9 +8,8 @@ void command_distance(Client *c, const Seperator *sep)
 			c->Message(
 				Chat::White,
 				fmt::format(
-					"{} ({}) is {:.2f} units from you.",
-					target->GetCleanName(),
-					target->GetID(),
+					"{} is {:.2f} units from you.",
+					c->GetTargetDescription(target),
 					Distance(
 						c->GetPosition(),
 						target->GetPosition()