Remove desktop wallpapers with old logo

Desktop wallpapers still show old logo version and don't seem to get downloaded
at all (according to Analytics).

Fixes #768

locale/en/about/resources.md

@@ -29,9 +29,3 @@ title: Logos and Graphics
     <td>[Node.js reversed with less color AI](/static/images/logos/nodejs-new-white.ai)</td>
   </tr>
 </table>
-
-## Desktop Background
-
-![Screensavers](/static/images/logos/monitor.png)
-
-Select your screen resolution: <span class="desktops">[1024 x 768](/static/images/logos/nodejs-1024x768.png)  | [1280 x 1024](/static/images/logos/nodejs-1280x1024.png) | [1440 x 900](/static/images/logos/nodejs-1440x900.png) | [1920 x 1200](/static/images/logos/nodejs-1920x1200.png) | [2560 x 1440](/static/images/logos/nodejs-2560x1440.png)</span>

locale/ko/about/resources.md

@@ -63,17 +63,3 @@ Node.js의 시각적인 가이드라인은
     <td>[적은 색상을 가진 Node.js 반전 AI](/static/images/logos/nodejs-new-white.ai)</td>
   </tr>
 </table>
-
-<!--
-## Desktop Background
-
-![Screensavers](/static/images/logos/monitor.png)
-
-Select your screen resolution: <span class="desktops">[1024 x 768](/static/images/logos/nodejs-1024x768.png)  | [1280 x 1024](/static/images/logos/nodejs-1280x1024.png) | [1440 x 900](/static/images/logos/nodejs-1440x900.png) | [1920 x 1200](/static/images/logos/nodejs-1920x1200.png) | [2560 x 1440](/static/images/logos/nodejs-2560x1440.png)</span>
--->
-
-## 데스크톱 배경
-
-![스크린세이버](/static/images/logos/monitor.png)
-
-원화는 화면 해상도를 선택하세요. <span class="desktops">[1024 x 768](/static/images/logos/nodejs-1024x768.png)  | [1280 x 1024](/static/images/logos/nodejs-1280x1024.png) | [1440 x 900](/static/images/logos/nodejs-1440x900.png) | [1920 x 1200](/static/images/logos/nodejs-1920x1200.png) | [2560 x 1440](/static/images/logos/nodejs-2560x1440.png)</span>

locale/uk/about/resources.md

@@ -29,9 +29,3 @@ title: Лого та графіка
     <td>[Node.js інвертований з меншою кількістю кольорів AI](/static/images/logos/nodejs-new-white.ai)</td>
   </tr>
 </table>
-
-## Фони для робочого столу
-
-![Screensavers](/static/images/logos/monitor.png)
-
-Оберіть розширення вашого екрану: <span class="desktops">[1024 x 768](/static/images/logos/nodejs-1024x768.png)  | [1280 x 1024](/static/images/logos/nodejs-1280x1024.png) | [1440 x 900](/static/images/logos/nodejs-1440x900.png) | [1920 x 1200](/static/images/logos/nodejs-1920x1200.png) | [2560 x 1440](/static/images/logos/nodejs-2560x1440.png)</span>