Update submodule sitl_gazebo to latest Tue Mar 16 12:39:03 UTC 2021

- sitl_gazebo in PX4/Firmware (00016e53fa): 6b6f4749a7
    - sitl_gazebo current upstream: b195315b86
    - Changes: 6b6f4749a7...b195315b86

    b195315 2021-03-16 JaeyoungLim - Revert "Pr liftdrag coefficients (#690)" (#730)
This commit is contained in:
PX4 BuildBot
2021-03-16 12:39:03 +00:00
committed by Daniel Agar
parent 243adf5250
commit c368aa180a