esp32/machine_rtc.c: removed unnecessary printf
esp32/machine_rtc.c: removed unnecessary printf

Peetz0r/micropython-esp32,Peetz0r/micropython-esp32,Peetz0r/micropython-esp32,SHA2017-badge/micropython-esp32,SHA2017-badge/micropython-esp32,SHA2017-badge/micropython-esp32,Peetz0r/micropython-esp32,SHA2017-badge/micropython-esp32,Peetz0r/micropython-esp32,SHA2017-badge/micropython-esp32