Remove all Bootstrap 2.3.2 CSS from Toolset Bootstrap theme since I use the original LESS files of Bootstrap in my child theme. Remove from version 1.5 the style.css if you don't want to use it. See http://wp-types.com/forums/topic/demo-is-frustrating-me/#post-124761.

functions.php

// Remove all Bootstrap 2.3.2 CSS from Toolset Bootstrap theme since I use the original LESS files of Bootstrap in my child theme, remove from version 1.5 the style.css if you don't want to use it, see https://gist.github.com/Willem-Siebe/0f2f2eafc444239d25fe.

function wsis_remove_toolset_bootstrap_CSS_files() {  
    wp_dequeue_style('wpbootstrap_bootstrap_responsive_css');
    wp_dequeue_style('wpbootstrap_bootstrap_main_css');
    wp_dequeue_style('toolset-bootstrap-theme-style');
}

add_action('wp_enqueue_scripts','wsis_remove_toolset_bootstrap_CSS_files',999);