[UPDATE] no Clean button (ngrams-table)

templates/corpus/terms.html

@@ -192,7 +192,7 @@ input[type=radio]:checked + label {
                     </table>
                 </p> -->
                 <p align="right">
-                    <button id="Clean_All" class="btn btn-warning">Clean</button>
+                    <!-- <button id="Clean_All" class="btn btn-warning">Clean</button> -->
                     <button id="Save_All" class="btn btn-primary">Save</button>
                 </p>