remove old address from email templates (CenterForOpenScience#11616)

Author: antkryt

website/templates/reviews_resubmission_confirmation.html.mako

@@ -34,7 +34,9 @@
        Sincerely,
        <br>
        Your ${reviewable_provider_name} and OSF teams
-       <br>
+       <p>
+            Center for Open Science
+       </p>
        <a href="https://github.com/CenterForOpenScience/cos.io/blob/master/PRIVACY_POLICY.md">Privacy Policy</a>
     </div>
 </%def>