Remove Hoy-specific content from footer.php.
Updated text domain for translation in search.php.
Replace translatable strings in 404.php with _e translation function calls.
Replace translatable strings in searchform.php with _e translation function calls.
Remove deprecated adtest page and header file.
Remove unused sample-loop.php.
Replace translatable strings in single-enfoque.php with _e translation function calls.
Replace translatable strings in single-patrocinado.php with _e translation function calls.
Update translation files.