remove duplicate text in documentation for popover

javascript.html

@@ -1111,7 +1111,7 @@ $('#myTooltip').on('hidden.bs.tooltip', function () {
             <td>selector</td>
             <td>string</td>
             <td>false</td>
-            <td>if a selector is provided, tooltip objects will be delegated to the specified targets if a selector is provided, tooltip objects will be delegated to the specified targets. in practice, this is used to enable dynamic HTML content to have popovers added. See <a href="https://github.com/twbs/bootstrap/issues/4215">this</a> and <a href="http://jsfiddle.net/fScua/">an informative example</a>.</td>
+            <td>if a selector is provided, tooltip objects will be delegated to the specified targets. in practice, this is used to enable dynamic HTML content to have popovers added. See <a href="https://github.com/twbs/bootstrap/issues/4215">this</a> and <a href="http://jsfiddle.net/fScua/">an informative example</a>.</td>
           </tr>
           <tr>
             <td>trigger</td>