fixup! Address further accessibility review notes.

poll/public/css/poll.css

@@ -152,7 +152,7 @@ li.poll-result .poll-image {
     background: none !important;
 }
 
-.survey-table .survey-option {
+.survey-table .survey-option label {
     text-align: center;
     vertical-align: middle;
 }

poll/public/html/survey.html

@@ -25,7 +25,6 @@
                 </td>
             {% for answer, label in answers %}
                 <td class="survey-option">
-                  <input type="radio" name="{{key}}" value="{{answer}}"{% if question.choice == answer %} checked{% endif %}/>
                   <label>
                     <input type="radio" name="{{key}}" value="{{answer}}"{% if question.choice == answer %} checked{% endif %}/>
                     <span class="sr">{{label}}</span>