ROMFS: common: AeroFC: Do not start MAVLink over USB
ROMFS: common: AeroFC: Do not start MAVLink over USB

STM32 pins are not exposed in AeroFC, so lets save some memory here.

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