In version >=1.5.4:

Admin->Pages->Edit->change header template

In versions <=1.5.3:

Can be done with wanted template file customizations, just remove part of code that showing map/slider/search, for example on classic page_page.php located in folder: templates\bootstrap2-responsive, remove this part:

<input id="pac-input" class="controls" type="text" placeholder="{lang_Search}" />
<div class="wrap-map" id="wrap-map">
</div>

{template_search}