If you have a requirement to remove breadcrumb from certain pages say the Magento CMS Pages then you can simply follow the 2 steps:

Step 1Create a “local.xml” file in your custom theme layout folder

Add the following content to the local.xml file

<?xml version="1.0" ?>
<layout version="0.1.0">
    <cms_page translate="label">
        <reference name="root">
           <remove name="breadcrumbs"/>
        </reference>
    </cms_page>
</layout>

In order to optimize the performance of Magento websites it is recommended that you include only the relevant JS Or CSS files on a page. Generally all Magento websites have a slider on home page, so it is good idea to include the slider JS and CSS files only on the home page if none of the other web pages implement a slider.