core&ui: enhanced category selector

packages/ui-default/templates/partials/problem-sidebar-information.html

@@ -11,24 +11,6 @@
     <dd>{{ pdoc.config.memoryMax if pdoc.config.memoryMax == pdoc.config.memoryMin else pdoc.config.memoryMin+'~'+pdoc.config.memoryMax }}MiB</dd>
     <dt>{{ _('Difficulty') }}</dt>
     <dd>{{ pdoc['difficulty'] or lib.difficulty(pdoc.nSubmit, pdoc.nAccept) or _('(None)') }}</dd>
-    <dt>{{ _('Category') }}</dt>
-    <dd>
-      {% if pdoc['category'] %}
-        <span class="hasjs--hide" name="problem-sidebar__categories">
-        {%- for category in pdoc['category'] -%}
-          <a href="{{ url('problem_category', category=category) }}">{{ category }}</a>
-          {% if loop.index < pdoc['category']|length %}
-            {{ _('problem-subcategory-delim') }}
-          {% endif %}
-        {%- endfor -%}
-        </span>
-        <span class="nojs--hide">
-          <a href="javascript:;" name="problem-sidebar__show-category">{{ _('page.problem_detail.sidebar.show_category') }}</a>
-        </span>
-      {% else %}
-        {{ _('(None)') }}
-      {% endif %}
-    </dd>
     <dt>{{ _('Tags') }}</dt>
     <dd>
       {{ problem.render_problem_tags(pdoc, true) }}