Clean up choices if they can't be used.

src/Battling/Flow/TurnHandler.cpp

@@ -22,21 +22,25 @@ void TurnHandler::ExecuteChoice(BaseTurnChoice* choice) {
     AssertNotNull(choice);
     auto choiceKind = choice->GetKind();
     if (choiceKind == TurnChoiceKind::Pass) {
+        delete choice;
         return;
     }
     auto user = choice->GetUser();
     // If the user is fainted, we don't want to execute its choice.
     if (user->IsFainted()) {
+        delete choice;
         return;
     }
     auto battle = user->GetBattle();
     AssertNotNull(battle)
     // If the user is not in the field, we don't want to execute its choice.
     if (!battle->CreatureInField(user)) {
+        delete choice;
         return;
     }
     // If the choice is not valid, we don't want to execute it.
     if (!battle->CanUse(choice)) {
+        delete choice;
         return;
     }