Remove old gitpod files

Author: mathieucarbou

.gitpod.Dockerfile

@@ -9,7 +9,6 @@
 [![Contributor Covenant](https://img.shields.io/badge/Contributor%20Covenant-2.1-4baaaa.svg)](docs/code_of_conduct.md)
 
 [![GitHub latest commit](https://badgen.net/github/last-commit/ESP32Async/ESPAsyncWebServer)](https://GitHub.com/ESP32Async/ESPAsyncWebServer/commit/)
-[![Gitpod Ready-to-Code](https://img.shields.io/badge/Gitpod-Ready--to--Code-blue?logo=gitpod)](https://gitpod.io/#https://github.com/ESP32Async/ESPAsyncWebServer)
 
 [![Documentation](https://img.shields.io/badge/Documentation-Visit%20Site-blue?logo=materialformkdocs)](https://esp32async.github.io/ESPAsyncWebServer/)
 

.gitpod.yml

@@ -9,7 +9,6 @@
 [![Contributor Covenant](https://img.shields.io/badge/Contributor%20Covenant-2.1-4baaaa.svg)](code_of_conduct.md)
 
 [![GitHub latest commit](https://badgen.net/github/last-commit/ESP32Async/ESPAsyncWebServer)](https://GitHub.com/ESP32Async/ESPAsyncWebServer/commit/)
-[![Gitpod Ready-to-Code](https://img.shields.io/badge/Gitpod-Ready--to--Code-blue?logo=gitpod)](https://gitpod.io/#https://github.com/ESP32Async/ESPAsyncWebServer)
 
 [![ESP32Async Discord Server](https://img.shields.io/badge/Discord-ESP32Async-blue?logo=discord)](https://discord.gg/X7zpGdyUcY)
 

README.md

@@ -7,7 +7,6 @@
 [![Contributor Covenant](https://img.shields.io/badge/Contributor%20Covenant-2.1-4baaaa.svg)](code_of_conduct.md)
 
 [![GitHub latest commit](https://badgen.net/github/last-commit/ESP32Async/ESPAsyncWebServer)](https://GitHub.com/ESP32Async/ESPAsyncWebServer/commit/)
-[![Gitpod Ready-to-Code](https://img.shields.io/badge/Gitpod-Ready--to--Code-blue?logo=gitpod)](https://gitpod.io/#https://github.com/ESP32Async/ESPAsyncWebServer)
 
 [![ESP32Async Discord Server](https://img.shields.io/badge/Discord-ESP32Async-blue?logo=discord)](https://discord.gg/X7zpGdyUcY)
 

docs/backup/README.md

@@ -9,7 +9,6 @@
 [![Contributor Covenant](https://img.shields.io/badge/Contributor%20Covenant-2.1-4baaaa.svg)](code_of_conduct.md)
 
 [![GitHub latest commit](https://badgen.net/github/last-commit/ESP32Async/ESPAsyncWebServer)](https://GitHub.com/ESP32Async/ESPAsyncWebServer/commit/)
-[![Gitpod Ready-to-Code](https://img.shields.io/badge/Gitpod-Ready--to--Code-blue?logo=gitpod)](https://gitpod.io/#https://github.com/ESP32Async/ESPAsyncWebServer)
 
 [![Documentation](https://img.shields.io/badge/Wiki-ESPAsyncWebServer-blue?logo=github)](https://github.com/ESP32Async/ESPAsyncWebServer/wiki)