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/TreeChokePowerAction.java

@@ -16,16 +16,9 @@ import engine.parsers.objects.wpak.PowerActionTemplate;
 import engine.powers.ActionsBase;
 import engine.powers.PowersBase;
 
-import java.sql.ResultSet;
-import java.sql.SQLException;
-
 
 public class TreeChokePowerAction extends AbstractPowerAction {
 
-    public TreeChokePowerAction(ResultSet rs) throws SQLException {
-        super(rs);
-    }
-
     public TreeChokePowerAction(PowerActionTemplate powerActionTemplate, int id) {
         super(powerActionTemplate, id);
     }