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Revert "upload meeting report(may) & px4 sourcecde & 13week report"

This reverts commit 1bc7835a
Firmware @ f6578102
Subproject commit f65781025ebb776fb5c406d96fbbfa52360f8a30
PX4-Autopilot @ 96d0755a
Subproject commit 96d0755afdf052a4748078f55598e2e873847ddf