commander: removed duplicated startup tune
commander: removed duplicated startup tune

Addressing review comments in PR #9096

mje-nz/PX4-Firmware,krbeverx/Firmware,krbeverx/Firmware,PX4/Firmware,mje-nz/PX4-Firmware,krbeverx/Firmware,dagar/Firmware,krbeverx/Firmware,acfloria/Firmware,acfloria/Firmware,krbeverx/Firmware,acfloria/Firmware,acfloria/Firmware,krbeverx/Firmware,Aerotenna/Firmware,PX4/Firmware,dagar/Firmware,acfloria/Firmware,dagar/Firmware,mcgill-robotics/Firmware,PX4/Firmware,mcgill-robotics/Firmware,mcgill-robotics/Firmware,PX4/Firmware,mcgill-robotics/Firmware,krbeverx/Firmware,Aerotenna/Firmware,mcgill-robotics/Firmware,Aerotenna/Firmware,mje-nz/PX4-Firmware,PX4/Firmware,dagar/Firmware,dagar/Firmware,dagar/Firmware,acfloria/Firmware,mje-nz/PX4-Firmware,Aerotenna/Firmware,PX4/Firmware,acfloria/Firmware,mcgill-robotics/Firmware,PX4/Firmware,mje-nz/PX4-Firmware,mje-nz/PX4-Firmware,Aerotenna/Firmware,mje-nz/PX4-Firmware,mcgill-robotics/Firmware,Aerotenna/Firmware,Aerotenna/Firmware,dagar/Firmware