Remove wanhao as dead link

Author: luc-github

wiki/Wanhao-D6---MonoPrice-Maker-Ultimate.md

@@ -13,13 +13,12 @@
  5. [On AZSMZ mini and AZSMZ lcd](https://github.com/luc-github/ESP3D/wiki/AZSMZ-mini-and-AZSMZ-lcd)
  6. [On Azteeg X5 mini](https://github.com/luc-github/ESP3D/wiki/Azteeg-X5-mini)
  7. [On BIQU KFB2.0](https://github.com/luc-github/ESP3D/wiki/BIQU-KFB2.0)
- 8. [On Wanhao D6 / MonoPrice Maker Ultimate](https://github.com/luc-github/ESP3D/wiki/Wanhao-D6---MonoPrice-Maker-Ultimate)
- 9. [On MKS BASE V1.2 and above](https://github.com/luc-github/ESP3D/wiki/MKS-GEN-v1.2-(1.3-and-above-maybe))
-10. [On Creality CR-10 / Ender3](https://github.com/luc-github/ESP3D/wiki/Creality-CR-10-Ender-3)
-11. [On Creality Ender 4](https://github.com/luc-github/ESP3D/wiki/Creality-Ender-4)
-12. [On Smoothieboard](https://github.com/luc-github/ESP3D/wiki/Smoothieboard)
-13. [On Anycubic i3 mega - Trigorilla 8bit](https://github.com/luc-github/ESP3D/wiki/Trigorilla)
-14. [On Anet A8](https://github.com/luc-github/ESP3D/wiki/How-to-connect-on-ANET-A8)
+ 8. [On MKS BASE V1.2 and above](https://github.com/luc-github/ESP3D/wiki/MKS-GEN-v1.2-(1.3-and-above-maybe))
+ 9. [On Creality CR-10 / Ender3](https://github.com/luc-github/ESP3D/wiki/Creality-CR-10-Ender-3)
+10. [On Creality Ender 4](https://github.com/luc-github/ESP3D/wiki/Creality-Ender-4)
+11. [On Smoothieboard](https://github.com/luc-github/ESP3D/wiki/Smoothieboard)
+12. [On Anycubic i3 mega - Trigorilla 8bit](https://github.com/luc-github/ESP3D/wiki/Trigorilla)
+13. [On Anet A8](https://github.com/luc-github/ESP3D/wiki/How-to-connect-on-ANET-A8)
 * ESP boards
  1. [ESP-01](https://github.com/luc-github/ESP3D/wiki/ESP8266-01)
  2. [ESP-01 serial wifi module](https://github.com/luc-github/ESP3D/wiki/ESP-01-serial-wifi-module)