Remove the static_rune_validkit loader

Kits come from StartingKitTable.cfg since c1e1ed91 (tested); drop
dbKitHandler, DbManager.KitQueries, the Kit ResultSet ctor and
RaceClassIDMap.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/engine/db/handlers/dbKitHandler.java

@@ -1,46 +0,0 @@
-//  • ▌ ▄ ·.  ▄▄▄·  ▄▄ • ▪   ▄▄· ▄▄▄▄·  ▄▄▄·  ▐▄▄▄  ▄▄▄ .
-//  ·██ ▐███▪▐█ ▀█ ▐█ ▀ ▪██ ▐█ ▌▪▐█ ▀█▪▐█ ▀█ •█▌ ▐█▐▌·
-//  ▐█ ▌▐▌▐█·▄█▀▀█ ▄█ ▀█▄▐█·██ ▄▄▐█▀▀█▄▄█▀▀█ ▐█▐ ▐▌▐▀▀▀
-//  ██ ██▌▐█▌▐█ ▪▐▌▐█▄▪▐█▐█▌▐███▌██▄▪▐█▐█ ▪▐▌██▐ █▌▐█▄▄▌
-//  ▀▀  █▪▀▀▀ ▀  ▀ ·▀▀▀▀ ▀▀▀·▀▀▀ ·▀▀▀▀  ▀  ▀ ▀▀  █▪ ▀▀▀
-//      Magicbane Emulator Project © 2013 - 2026
-//                https://www.magicbane.com
-
-
-package engine.db.handlers;
-
-import engine.gameManager.DbManager;
-import engine.mbEnums;
-import engine.objects.Kit;
-import org.pmw.tinylog.Logger;
-
-import java.sql.Connection;
-import java.sql.PreparedStatement;
-import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.util.ArrayList;
-
-public class dbKitHandler extends dbHandlerBase {
-
-    public dbKitHandler() {
-        this.localClass = Kit.class;
-        this.localObjectType = mbEnums.GameObjectType.valueOf(this.localClass.getSimpleName());
-    }
-
-    public ArrayList<Kit> GET_ALL_KITS() {
-
-        ArrayList<Kit> kitList = new ArrayList<>();
-
-        try (Connection connection = DbManager.getConnection();
-             PreparedStatement preparedStatement = connection.prepareStatement("SELECT * FROM `static_rune_validkit`")) {
-
-            ResultSet rs = preparedStatement.executeQuery();
-            kitList = getObjectsFromRs(rs, 20);
-
-        } catch (SQLException e) {
-            Logger.error(e);
-        }
-
-        return kitList;
-    }
-}