Remove obsolete templates

hshassets/templates/hshassets/includes/card_form.html

-{% load i18n %}
-
-{% if form.non_field_errors %}
-    <div class="notification is-danger">
-        {% for error in form.non_field_errors %}
-            {{ error }}
-        {% endfor %}
-    </div>
-{% endif %}
-
-<div class="card">
-    <div class="card-content">
-        <form method="post">
-            {% csrf_token %}
-
-            {% include "hshassets/includes/plain_form.html" %}
-
-            <div class="field">
-                <div class="control">
-                    <button class="button is-success is-outlined" type="submit" name="submit">{% trans "Submit" %}</button>
-                </div>
-            </div>
-
-        </form>
-    </div>
-</div>

hshassets/templates/hshassets/includes/plain_form.html

-{% load i18n %}
-
-{% for field in form %}
-    <div class="field">
-        <label for="{{ field.id_for_label }}" class="label">{{ field.label }}</label>
-        <div class="control">
-            <input
-                id="{{ field.id_for_label }}"
-                class="input {% if field.errors %}is-danger{% endif %}"
-                name="{{ field.html_name }}"
-                type="{{ field.field.widget.input_type }}"
-                placeholder=""
-                {% if not field.field.widget.input_type == 'password' %}
-                value="{% if field.value %}{{ field.value }}{% endif %}"
-                {% endif %}
-            >
-
-            {% if field.errors %}
-                <span class="help is-danger">
-                    {% for error in field.errors %}
-                        {{ error }}
-                    {% endfor %}
-                </span>
-            {% endif %}
-        </div>
-    </div>
-{% endfor %}