[DEV][FLIGHTPLAN] clean some code
[DEV][FLIGHTPLAN] clean some code

Change-Id: If3f12ece195a251cd74eb012c33bbf6500eda11c

cvramire/ARSDKBuildUtils,Parrot-Developers/ARSDKBuildUtils,Parrot-Developers/ARSDKBuildUtils,aoi/ARSDKBuildUtils,cvramire/ARSDKBuildUtils,aoi/ARSDKBuildUtils