removed shields

Updated arpist submodules fot the new mavlink update.
Updated csv to have missing telemetry data (initialized as 0).

Now using main branch wuth the commit for lyra.

Updated skyward-boardcore for the new mavlink with unique command list.
Updated coherently the on-host cargo.toml and cargo.lock to the correct lyra-gs commit of mavlink-skyward-lib.
Changed radio settings to 433MHz.

From PAYLOAD_FLIGHT_TM to ROCKET_FLIGHT_TM
Also converted previous gemini.csv file (PAYLOAD serializable) to new ROCKET_FLIGH_TM format

And made non-sync mode default (this should solve Win system issues with ACK receiving)

working