doc(README.md): remove Wraith V1 ESC url

Signed-off-by: Frederic Pillon <[email protected]>

Author: fpistm

Diff for: README.md

@@ -723,7 +723,7 @@ User can add a STM32 based board following this [wiki](https://github.com/stm32d
 
 | Status | Device(s) | Name | Release | Notes |
 | :----: | :-------: | ---- | :-----: | :---- |
-| :green_heart:  | STM32F051K6U | [Wraith V1 ESC](https://www.quadsrtf.com/product/35a-wraith32-32bit-blheli-esc) | *1.8.0* |  |
+| :green_heart:  | STM32F051K6U | Wraith V1 ESC | *1.8.0* |  |
 | :green_heart:  | STM32F103RCT | [STorM32 V1.31 RC](http://www.olliw.eu/storm32bgc-wiki/STorM32_Boards#STorM32-BGC_v1.3) | *2.1.0* |  |
 
 ### [Garatronic](https://www.garatronic.fr)/[McHobby](https://shop.mchobby.be) boards