Remove tooltip styles

Author: robdodson

elements/howto-tooltip/demo.html

@@ -10,17 +10,6 @@
 See the License for the specific language governing permissions and
 limitations under the License.
 -->
-<style>
- /* The tooltip is by default unstyled. */
- howto-tooltip {
- margin-left: 8px;
- padding: 4px;
- background-color: #616161;
- color: #fff;
- border-radius: 3px;
- }
-</style>
-
 <div class="text">
  <label for="name">Your name:</label>
  <input id="name" aria-describedby="tp1"/>