hide publish button from CPT
add_action('admin_footer', 'admin_footer_css');
function admin_footer_css() {
$screen = get_current_screen();
if (is_object($screen) && $screen->base == 'post' && $screen->post_type == 'retailers') {
echo '<style>';
echo '.post-type-retailers input[name="publish"] { display:none !important }.post-type-retailers input[name="save"] { display:block !important }';
echo '</style>';
}
}