Get rid of widgets that have to do with blogging.

Get rid of widgets that have to do with blogging.php

function unregister_default_wp_widgets() {
  unregister_widget('WP_Widget_Calendar');
	unregister_widget('WP_Widget_Archives');
	unregister_widget('WP_Widget_Categories');
	unregister_widget('WP_Widget_Recent_Posts');
	unregister_widget('WP_Widget_Recent_Comments');
	unregister_widget('WP_Widget_RSS');
	unregister_widget('WP_Widget_Tag_Cloud');
}
add_action('widgets_init', 'unregister_default_wp_widgets', 1);