RGBswitch_6_bcu1: Don't use `delay()` or `Timeout` in `setup()`/`initApplication()`

[Darthyson]

Same reason as in issue #39 https://github.com/selfbus/software-arm-incubation/blob/58984ca62aeae9ccdca0b2cbe1ebdf47374e2de9/sensors/binary-inputs/RGBswitch_6-bcu1/src/app_main.cpp#L114