Show/Hide taxonomy page Admin UI

show_or_hide_the_default_wp_taxonomy_page_ui.php

// default styles for taxonomy summary page
$taxonomy_styles['summary-page'] = '#col-left { display: none; }#col-right { float:none; width: auto; }';

// for create and edit custom taxonomy page
$taxonomy_styles['action-page'] = '#col-right { display: none; }#col-left { float:none; width: auto; }';

$current_page = 'summary-page'; 
$custom_taxonomy_page = false; 
global $current_screen;
if (isset($current_screen) && (isset($current_screen->post_type) && $current_screen->post_type == CUSTOM_POST_TYPE)) {
  if (isset($current_screen->id) && $current_screen->id == 'edit-'.CUSTOM_TAXONOMY) {
    $custom_taxonomy_page = true;
  }
}  


/** Call WP-Inline style hook, for adding the custom taxonomy styles **/
if ($helpie_faq_group_page) {
    wp_add_inline_style('common', $taxonomy_styles[$current_page]);
}