Class Eabi_Livehandler_Block_Adminhtml_Config_Form_Field_Remove

Renders button, which allows to delete old instance of Eabi_Livehandler from app/code/local folder in Magento admin > System > Configuration > Eabi Livehandler > Admin Order Grid Helper configuration menu, if such old instance exists

Use following system.xml struct to include this button:

                        <removal translate="">
<label></label>
<frontend_model>eabi_postoffice/adminhtml_config_form_field_remove</frontend_model>
<sort_order>1000001</sort_order>
<show_in_default>1</show_in_default>
<show_in_website>0</show_in_website>
<show_in_store>0</show_in_store>
</removal>