[Commands] Cleanup #npcedit, #lastname, #title, and #titlesuffix Commands. (#2215)

* [Commands] Cleanup #lastname, #npcedit, #title, and #titlesuffix Commands.
- Cleanup messages and logic.

* Update emu_constants.h

* Update command.cpp

* Update command.cpp

* Cleanup of GetXName methods to not define map unnecessarily.

* Update emu_constants.cpp

* Update npcedit.cpp

zone/gm_commands/lastname.cpp

@@ -9,20 +9,31 @@ void command_lastname(Client *c, const Seperator *sep)
 
 	LogInfo("#lastname request from [{}] for [{}]", c->GetCleanName(), target->GetCleanName());
 
-	std::string last_name = sep->arg[1];
+	bool is_remove = !strcasecmp(sep->argplus[1], "-1");
+	std::string last_name = is_remove ? "" : sep->argplus[1];
+
 	if (last_name.size() > 64) {
-		c->Message(Chat::White, "Usage: #lastname [Last Name] (Last Name must be 64 characters or less)");
+		c->Message(Chat::White, "Last name must be 64 characters or less.");
 		return;
 	}
 	
 	target->ChangeLastName(last_name);
+
 	c->Message(
 		Chat::White,
 		fmt::format(
-			"{} now {} a last name of '{}'.",
-			c->GetTargetDescription(target, TargetDescriptionType::UCYou),
-			c == target ? "have" : "has",
-			last_name
+			"Last name has been {}{} for {}{}",
+			is_remove ? "removed" : "changed",
+			!is_remove ? " and saved" : "",
+			c->GetTargetDescription(target),
+			(
+				is_remove ?
+				"." :
+				fmt::format(
+					" to '{}'.",
+					last_name
+				)
+			)
 		).c_str()
 	);
 }