Clean up game/zones/logic folder.

Took 6 minutes

cockatrice/src/game/zones/logic/hand_zone_logic.cpp

@@ -1,19 +0,0 @@
-#include "hand_zone_logic.h"
-
-#include "../../board/card_item.h"
-#include "card_zone_algorithms.h"
-
-HandZoneLogic::HandZoneLogic(Player *_player,
-                             const QString &_name,
-                             bool _hasCardAttr,
-                             bool _isShufflable,
-                             bool _contentsKnown,
-                             QObject *parent)
-    : CardZoneLogic(_player, _name, _hasCardAttr, _isShufflable, _contentsKnown, parent)
-{
-}
-
-void HandZoneLogic::addCardImpl(CardItem *card, int x, int /*y*/)
-{
-    CardZoneAlgorithms::addCardToList(cards, card, x, false);
-}