chore: update sponsor

Author: yyx990803

Diff for: BACKERS.md

@@ -54,11 +54,6 @@ Funds donated via Patreon go directly to support Evan You's full-time work on Vu
           <img width="222px" src="https://raw.githubusercontent.com/vuejs/vuejs.org/master/themes/vue/source/images/vueschool.png">
         </a>
       </td>
-      <td align="center" valign="middle">
-        <a href="https://www.datacamp.com/careers?utm_source=vuejs&utm_medium=sidebar" target="_blank">
-          <img width="222px" src="https://raw.githubusercontent.com/vuejs/vuejs.org/master/themes/vue/source/images/datacamp.png">
-        </a>
-      </td>
     </tr><tr></tr>
   </tbody>
 </table>

Diff for: README.md

@@ -66,11 +66,6 @@ Funds donated via Patreon go directly to support Evan You's full-time work on Vu
           <img width="222px" src="https://raw.githubusercontent.com/vuejs/vuejs.org/master/themes/vue/source/images/vueschool.png">
         </a>
       </td>
-      <td align="center" valign="middle">
-        <a href="https://www.datacamp.com/careers?utm_source=vuejs&utm_medium=sidebar" target="_blank">
-          <img width="222px" src="https://raw.githubusercontent.com/vuejs/vuejs.org/master/themes/vue/source/images/datacamp.png">
-        </a>
-      </td>
     </tr><tr></tr>
   </tbody>
 </table>