remove message.warning messages from django code example

Example 1: django messages

from django.contrib import messages
messages.add_message(request, messages.INFO, 'Hello world.')

Example 2: django message framework

{% if messages %}
<ul class="messages">
    {% for message in messages %}
    <li{% if message.tags %} class="{{ message.tags }}"{% endif %}>
        {% if message.level == DEFAULT_MESSAGE_LEVELS.ERROR %}Important: {% endif %}
        {{ message }}
    </li>
    {% endfor %}
</ul>
{% endif %}