Hide field type the address

In the advanced search I want to hide the field LOCATION PLEASE ENTER form. Deputy screenshot marking in red the field that I want to hide. Does anyone know it?

Hi Alberto,
To hide that field, please follow these steps
1. Open file
components > com_osproperty > helpers > common.php
2. find
<div class="span12">
<strong>
<?php echo JText::_('OS_PLEASE_ENTER_LOCATION');?>
</strong>
<div class="clearfix"></div>
<input type="text" class="input-large" value="<?php echo htmlspecialchars($lists);?>" name="address" style="width:180px !important;" />
</div>

and remove it
Good luck
Dam