Merge pull request #5023 from per1234/remove-ESP8266_Webhook

Remove "ESP8266 Webhook"

Author: MatteoPologruto

registry.txt

@@ -4086,7 +4086,6 @@ https://github.com/mathertel/RFCodes.git|Contributed|RFCodes
 https://github.com/sparkfun/SparkFun_SCD4x_Arduino_Library.git|Contributed|SparkFun SCD4x Arduino Library
 https://github.com/Silver-Fang/TimersOneForAll.git|Contributed|TimersOneForAll
 https://github.com/dmadison/CtrlUtil.git|Contributed|Controller Utilities
-https://github.com/Rupakpoddar/ESP8266Webhook.git|Contributed|ESP8266 Webhook
 https://github.com/wokwi/TinyDebug.git|Contributed|TinyDebug
 https://github.com/chochain/nanoFORTH.git|Contributed|nanoFORTH
 https://github.com/kevinstadler/TCS34725AutoGain.git|Contributed|TCS34725AutoGain