굳이 이메일과 홈페이지 입력 폼을 없애시려면, 

modules/board/skins/xe_board/write_form.html 

line 13 부분의         을 삭제 하시면 됩니다. 
<div class="boardWrite">
    <!--@if(!$is_logged)-->
    <div class="userNameAndPw">
        <label for="userName">{$lang->writer}</label>
        <input type="text" name="nick_name" value="{$oDocument->getNickName()}" class="userName inputTypeText" id="userName"/>

        <label for="userPw">{$lang->password}</label>
        <input type="password" name="password" value="" id="userPw" class="userPw inputTypeText" />

        <label for="emailAddress">{$lang->email_address}</label>
        <input type="text" name="email_address" value="{htmlspecialchars($oDocument->get('email_address'))}" id="emailAddress" class="emailAddress inputTypeText"/>

        <label for="homePage">{$lang->homepage}</label>
        <input type="text" name="homepage" value="{htmlspecialchars($oDocument->get('homepage'))}" id="homePage" class="homePage inputTypeText"/>
    </div>