The site calls the function Jolene_site_info to populate the information.
The info is held in the Theme Functions page, as follows:
function jolene_site_info() {
$defaults = jolene_get_defaults();
?>
<div class="site-info">
<a href="<?php echo esc_url( __( 'http://wordpress.org/', 'jolene' )); ?>"><?php printf( __( 'Proudly powered by %s', 'jolene' ), 'WordPress' ); ?></a><?php esc_html( _e( ' theme by ', 'jolene' ) ); ?><a href="<?php echo esc_url( 'http://wpblogs.ru/themes/' ); ?>">WP Blogs</a>
</div><!-- .site-info -->
<?php if ( get_theme_mod( 'scroll_button', $defaults['scroll_button'] ) != 'none' ) : ?>
<a href="#" class="scrollup <?php echo esc_attr(get_theme_mod( 'scroll_button', $defaults['scroll_button'] )).
esc_attr(get_theme_mod( 'scroll_animate', $defaults['scroll_animate'] ) == 'none' ? '' : ' '.get_theme_mod( 'scroll_animate', $defaults['scroll_animate'] ) ); ?>"></a>
<?php endif;
}
add_action( 'jolene_site_info', 'jolene_site_info' );
To keep this intact, i’d just remove the call function from the footer.php