Removed not used files

htdocs/modulebuilder/index.html

htdocs/modulebuilder/oldskeletons/.gitignore

htdocs/modulebuilder/oldskeletons/README

htdocs/modulebuilder/oldskeletons/build_api_class.php

htdocs/modulebuilder/oldskeletons/build_class_from_table.php

...odulebuilder/oldskeletons/build_webservice_from_class.php

htdocs/modulebuilder/oldskeletons/modMyModule.class.php

...s/modulebuilder/oldskeletons/skeleton_api_class.class.php

htdocs/modulebuilder/oldskeletons/skeleton_card.php

htdocs/modulebuilder/oldskeletons/skeleton_class.class.php

htdocs/modulebuilder/oldskeletons/skeleton_list.php

htdocs/modulebuilder/oldskeletons/skeleton_script.php

...modulebuilder/oldskeletons/skeleton_webservice_server.php

htdocs/product/stock/class/api_stockmovements.class.php