Remove the DB power action loader

Power actions come from PowerActions.cfg (3fc5e725, tested). Deletes
AbstractPowerAction.getAllPowerActions and the ResultSet constructor on
every power action class. static_power_poweraction is dropped.

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

src/engine/powers/poweractions/CreateMobPowerAction.java

@@ -25,8 +25,6 @@ import engine.powers.ActionsBase;
 import engine.powers.PowersBase;
 import org.pmw.tinylog.Logger;
 
-import java.sql.ResultSet;
-import java.sql.SQLException;
 import java.util.HashMap;
 
 
@@ -52,13 +50,6 @@ public class CreateMobPowerAction extends AbstractPowerAction {
         MOBBASE_BY_CLIENT_MOB_ID.put(3501, 11998);
     }
 
-    public CreateMobPowerAction(ResultSet rs) throws SQLException {
-        super(rs);
-
-        this.mobID = rs.getInt("mobID");
-        this.mobLevel = rs.getInt("mobLevel");
-    }
-
     public CreateMobPowerAction(PowerActionTemplate powerActionTemplate, int id) {
         super(powerActionTemplate, id);