Revert "skins: SkinManager + hot-swap (F7), classic/nes a data/skins/"

This reverts commit ebfcad6f22.

source/core/resources/asset.cpp

@@ -6,7 +6,6 @@
 #include <iostream>  // for basic_ostream, operator<<, cout, endl
 
 #include "core/resources/resource_helper.h"
-#include "core/resources/skin_manager.hpp"
 
 // Instancia única
 Asset *Asset::instance = nullptr;
@@ -42,30 +41,6 @@ void Asset::add(const std::string &file, Type type, bool required, bool absolute
     longest_name_ = SDL_max(longest_name_, FILE_NAME.size());
 }
 
-// Afegeix un asset gfx skin-aware: el path complet es composa via
-// SkinManager (que ja inclou el PREFIX de plataforma) i guardem el
-// basename per a poder-lo recomposar quan canviï la skin activa.
-void Asset::addSkinAware(const std::string &basename, Type type, bool required) {
-    Item temp;
-    temp.file = executable_path_ + SkinManager::get()->gfxPath(basename);
-    temp.type = type;
-    temp.required = required;
-    temp.skin_basename = basename;
-    file_list_.push_back(temp);
-
-    longest_name_ = SDL_max(longest_name_, basename.size());
-}
-
-// Recomposa els paths dels items skin-aware amb l'skin actual del
-// SkinManager. Cridat per Resource::reloadForSkin després d'un canvi.
-void Asset::onSkinChanged() {
-    for (auto &it : file_list_) {
-        if (!it.skin_basename.empty()) {
-            it.file = executable_path_ + SkinManager::get()->gfxPath(it.skin_basename);
-        }
-    }
-}
-
 // Devuelve el fichero de un elemento de la lista a partir de una cadena
 auto Asset::get(const std::string &text) -> std::string {
     for (const auto &f : file_list_) {