help, power, index: ui: Drop remaining uses of »

- Mostly for consistency with the rest of the interface.

- Most of the usages got removed already.

Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: Veiko Aasa <veiko17@disroot.org>

plinth/modules/help/templates/help_about.html

@@ -57,7 +57,7 @@
 
   <p><a class="btn btn-primary"
         href="https://wiki.debian.org/FreedomBox"
-        target="_blank">{% trans "Learn more &raquo;" %}</a></p>
+        target="_blank">{% trans "Learn more" %}</a></p>
 
   <p style='margin-top:1.875rem'>
     {% blocktrans trimmed %}

plinth/modules/power/templates/power.html

@@ -19,10 +19,10 @@
 
   <div class="btn-toolbar">
     <a class="btn btn-default btn-md" href="{% url 'power:restart' %}">
-      {% trans "Restart &raquo;" %}</a>
+      {% trans "Restart" %}</a>
 
     <a class="btn btn-default btn-md" href="{% url 'power:shutdown' %}">
-      {% trans "Shut Down &raquo;" %}</a>
+      {% trans "Shut Down" %}</a>
   </div>
 
 {% endblock %}

plinth/templates/index.html

@@ -43,7 +43,7 @@
 
             {% if user.is_authenticated and user_is_admin and selected_shortcut.configure_url %}
               <a class="btn btn-primary" href="{{ selected_shortcut.configure_url }}">
-                {% trans "Configure &raquo;" %}</a>
+                {% trans "Configure" %}</a>
             {% endif %}
           </div>