[Commands] npc_edit faction and #setfaction duplicate and incorrect. (#3577)

* [Commands] npc_edit faction and #setfaction duplicate and incorrect.

* Fix assignment

zone/gm_commands/set/faction.cpp

@@ -1,54 +0,0 @@
-#include "../../client.h"
-
-void SetFaction(Client *c, const Seperator *sep)
-{
-	const auto arguments = sep->argnum;
-	if (arguments < 2 || !sep->IsNumber(2)) {
-		c->Message(Chat::White, "Usage: #set faction [Faction ID]");
-		return;
-	}
-
-	if (
-		!c->GetTarget() ||
-		(
-			c->GetTarget() &&
-			c->GetTarget()->IsClient()
-		)
-	) {
-		c->Message(Chat::White, "You must target an NPC to use this command.");
-		return;
-	}
-
-	NPC* t = c->GetTarget()->CastToNPC();
-
-	const uint32 npc_id     = t->GetNPCTypeID();
-	const int    faction_id = Strings::ToInt(sep->arg[2]);
-
-	const std::string& faction_name = content_db.GetFactionName(faction_id);
-
-	if (faction_name.empty()) {
-		c->Message(
-			Chat::White,
-			"Invalid Faction ID, please specify a valid Faction ID."
-		);
-		return;
-	}
-
-	c->Message(
-		Chat::White,
-		fmt::format(
-			"Faction Changed | Name: {} ({}) Faction: {} ({}).",
-			t->GetCleanName(),
-			npc_id,
-			content_db.GetFactionName(faction_id),
-			faction_id
-		).c_str()
-	);
-
-	const std::string &query = fmt::format(
-		"UPDATE npc_types SET npc_faction_id = {} WHERE id = {}",
-		faction_id,
-		npc_id
-	);
-	content_db.QueryDatabase(query);
-}