Replace dynamite code with tested version

common/lib/capa/templates/textinput_dynamath.html

@@ -5,7 +5,7 @@
   <table style="display:inline; vertical-align:middle;">
     <tr>
       <td>
-        <input type="text" name="input_${id}" id="input_${id}" value="${value}" size="${size if size else ''}" />
+        <input type="text" name="input_${id}" id="input_${id}" value="${value}" class="math" size="${size if size else ''}" />
       </td>
       <td>
         <span id="answer_${id}"></span>
@@ -30,24 +30,4 @@
       </td>
     </tr>
   </table>
-
-##
-## javascript for dynamic math: add this math element to the MathJax rendering queue
-## also adds to global jaxset js array
-##
-  <script type="text/javascript">
-    MathJax.Hub.queue.Push(function () {
-      math = MathJax.Hub.getAllJax("display_${id}")[0];
-      if (math){
-        jaxset["${id}"] = math;
-        math.Text(document.getElementById("input_${id}").value);
-        // UpdateMathML(math,"${id}");
-      }
-    });
-  </script>
-
-  % if msg:
-  <br/>
-  <span class="debug">${msg|n}</span>
-  % endif
 </section>