If you must send this to all you can try adding the text to /email/email_template_product_notification.html
Or create your own custom email

Code:
  <!-- Content Section -->
  <div class="content">
    <div>Dear $EMAIL_CUSTOMERS_NAME,</div>
    <div>$EMAIL_TEXT_ORDER_NUMBER</div>
    <div>$EMAIL_TEXT_INVOICE_URL</div>
    <div>$EMAIL_TEXT_DATE_ORDERED</div>
    <div>$EMAIL_TEXT_STATUS_COMMENTS</div>
    <div>$EMAIL_TEXT_STATUS_UPDATED</div>
    <div>$EMAIL_TEXT_STATUS_LABEL</div>
    <div>$EMAIL_TEXT_STATUS_PLEASE_REPLY</div>
    <div>$EMAIL_STORE_NAME</div>
  </div>
HERE

  <!-- Footer Section -->
  <div class="footer">