Fix: do no longer list support for ArduinoCore-mbed/arduino_esp32 in …

…README

The support has been officially revoked in 632aa90.

README.md

@@ -18,8 +18,6 @@ Arduino library for controlling the MCP2515 in order to receive/transmit CAN fra
 
 This library works for
 * [ArduinoCore-samd](https://github.com/arduino/ArduinoCore-samd): [`Arduino Zero`](https://store.arduino.cc/arduino-zero), [`MKR 1000`](https://store.arduino.cc/arduino-mkr1000-wifi), [`MKR WiFi 1010`](https://store.arduino.cc/arduino-mkr-wifi-1010), [`Nano 33 IoT`](https://store.arduino.cc/arduino-nano-33-iot), [`MKR GSM 1400`](https://store.arduino.cc/arduino-mkr-gsm-1400-1415), [`MKR NB 1500`](https://store.arduino.cc/arduino-mkr-nb-1500-1413), [`MKR WAN 1300/1310`](https://store.arduino.cc/mkr-wan-1310) :heavy_check_mark:
-* [ArduinoCore-mbed](https://github.com/arduino/ArduinoCore-mbed): [`Portenta H7`](https://store.arduino.cc/portenta-h7), [`Nano 33 BLE`](https://store.arduino.cc/arduino-nano-33-ble), [`Nano RP2040 Connect`](https://store.arduino.cc/nano-rp2040-connect), [`Edge Control`](https://store.arduino.cc/edge-control) :heavy_check_mark:
-* [arduino-esp32](https://github.com/espressif/arduino-esp32): `ESP32 Dev Module`, `ESP32 Wrover Module`, ... :heavy_check_mark:
 * [arduino-pico](https://github.com/earlephilhower/arduino-pico): [`Raspberry Pi Pico`](https://www.raspberrypi.org/products/raspberry-pi-pico), `Adafruit Feather RP2040`, ... :heavy_check_mark:
 * [ArduinoCore-renesas](https://github.com/arduino/ArduinoCore-renesas): [`Portenta C33`](https://store.arduino.cc/products/portenta-c33), [`Uno R4 WiFi`](https://store.arduino.cc/products/uno-r4-wifi), [`Uno R4 Minima`](https://store.arduino.cc/products/uno-r4-minima), ... :heavy_check_mark: