[Rules] Add Rule to Disable NPC Last Names. (#2227)

* [Rules] Add Rule to Disable NPC Last Names.
- Add NPC:DisableLastNames to disable NPC Last Names.
- Fix #npcedit lastname to allow you to use an empty string.

* Cleanup of classes in naming.

* Duplicate.

* Update classes.cpp

common/classes.h

@@ -55,10 +55,9 @@
 #define BANKER 40
 #define MERCHANT 41
 #define DISCORD_MERCHANT 59
-#define ADVENTURERECRUITER 60
-#define ADVENTUREMERCHANT 61
-#define LDON_TREASURE 62	// objects you can use /open on first seen in LDONs
-#define CORPSE_CLASS 62	// only seen on Danvi's Corpse in Akheva so far..
+#define ADVENTURE_RECRUITER 60
+#define ADVENTURE_MERCHANT 61
+#define LDON_TREASURE 62	// objects you can use /open on first seen in LDONs, seen on Danvi's Corpse in Akheva
 #define TRIBUTE_MASTER 63
 #define GUILD_TRIBUTE_MASTER 64	// not sure
 #define GUILD_BANKER 66
@@ -66,7 +65,7 @@
 #define DARK_REIGN_MERCHANT 68
 #define FELLOWSHIP_MASTER 69
 #define ALT_CURRENCY_MERCHANT 70
-#define MERCERNARY_MASTER 71
+#define MERCENARY_MASTER 71
 
 
 // player class values