activate PPP

Author: Jason2866

tools/install-arduino.sh

@@ -90,7 +90,6 @@ rm -rf "$AR_COMPS/arduino/libraries/WiFiProv"
 rm -rf "$AR_COMPS/arduino/libraries/WiFiClientSecure"
 rm -rf "$AR_COMPS/arduino/libraries/NetworkClientSecure"
 rm -rf "$AR_COMPS/arduino/libraries/USB"
-rm -rf "$AR_COMPS/arduino/libraries/PPP"
 rm -rf "$AR_COMPS/arduino/libraries/ESP32"
 rm -rf "$AR_COMPS/arduino/libraries/ESP_SR"
 rm -rf "$AR_COMPS/arduino/libraries/ESP_NOW"