Disable self-registration by default

templates/users/login.html

@@ -33,8 +33,10 @@
         <button type="submit" class="btn btn-primary btn-full">Login</button>
     </form>
 
+    {% if allow_self_registration %}
     <p class="auth-footer">
         Don't have an account? <a href="{% url 'register' %}">Register</a>
     </p>
+    {% endif %}
 </div>
 {% endblock %}