Remove the static_rune_powers loader

Nothing reads the table since the captain powers moved to MinionType.
Drops LOAD_RUNE_POWERS and the ResultSet RunePowerEntry constructor.
The table drop is MBDATA sql/3.9-rune-powers-drop.sql, run after deploy.

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

src/engine/db/handlers/dbRuneBaseHandler.java

@@ -16,15 +16,11 @@ import engine.objects.BaseClass;
 import engine.objects.PromotionClass;
 import engine.objects.Race;
 import engine.objects.RuneBase;
-import engine.powers.RunePowerEntry;
 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;
-import java.util.HashMap;
 
 public class dbRuneBaseHandler extends dbHandlerBase {
 
@@ -33,45 +29,6 @@ public class dbRuneBaseHandler extends dbHandlerBase {
         this.localObjectType = mbEnums.GameObjectType.valueOf(this.localClass.getSimpleName());
     }
 
-    public static HashMap<Integer, ArrayList<RunePowerEntry>> LOAD_RUNE_POWERS() {
-
-        HashMap<Integer, ArrayList<RunePowerEntry>> mobPowers = new HashMap<>();
-        RunePowerEntry runePowerEntry;
-
-        int rune_id;
-        int recordsRead = 0;
-
-        try (Connection connection = DbManager.getConnection();
-             PreparedStatement preparedStatement = connection.prepareStatement("SELECT * FROM static_rune_powers")) {
-
-            ResultSet rs = preparedStatement.executeQuery();
-
-            while (rs.next()) {
-
-                recordsRead++;
-
-                rune_id = rs.getInt("rune_id");
-                runePowerEntry = new RunePowerEntry(rs);
-
-                if (mobPowers.get(rune_id) == null) {
-                    ArrayList<RunePowerEntry> runePowerList = new ArrayList<>();
-                    runePowerList.add(runePowerEntry);
-                    mobPowers.put(rune_id, runePowerList);
-                } else {
-                    ArrayList<RunePowerEntry> powerList = mobPowers.get(rune_id);
-                    powerList.add(runePowerEntry);
-                    mobPowers.put(rune_id, powerList);
-                }
-            }
-        } catch (SQLException e) {
-            Logger.error(e);
-            return mobPowers;
-        }
-
-        Logger.info("read: " + recordsRead + " cached: " + mobPowers.size());
-        return mobPowers;
-    }
-
     // static_rune_lookup is generated for the DB views; a failed write must never stop the boot
     public static void WRITE_RUNE_LOOKUP() {