Remove duplicated enum conversion function
Remove duplicated enum conversion function

ethz-asl/qgc_asl,kd0aij/qgroundcontrol,catch-twenty-two/qgroundcontrol,remspoor/qgroundcontrol,ethz-asl/qgc_asl,remspoor/qgroundcontrol,dagoodma/qgroundcontrol,kd0aij/qgroundcontrol,catch-twenty-two/qgroundcontrol,RedoXyde/PX4_qGCS,RedoXyde/PX4_qGCS,CornerOfSkyline/qgroundcontrol,remspoor/qgroundcontrol,mihadyuk/qgroundcontrol,catch-twenty-two/qgroundcontrol,kd0aij/qgroundcontrol,RedoXyde/PX4_qGCS,dagoodma/qgroundcontrol,remspoor/qgroundcontrol,scott-eddy/qgroundcontrol,mihadyuk/qgroundcontrol,ethz-asl/qgc_asl,dagoodma/qgroundcontrol,cfelipesouza/qgroundcontrol,Hunter522/qgroundcontrol,mihadyuk/qgroundcontrol,ethz-asl/qgc_asl,scott-eddy/qgroundcontrol,cfelipesouza/qgroundcontrol,kd0aij/qgroundcontrol,RedoXyde/PX4_qGCS,remspoor/qgroundcontrol,kd0aij/qgroundcontrol,CornerOfSkyline/qgroundcontrol,cfelipesouza/qgroundcontrol,RedoXyde/PX4_qGCS,CornerOfSkyline/qgroundcontrol,remspoor/qgroundcontrol,RedoXyde/PX4_qGCS,CornerOfSkyline/qgroundcontrol,cfelipesouza/qgroundcontrol,cfelipesouza/qgroundcontrol,catch-twenty-two/qgroundcontrol,ethz-asl/qgc_asl,catch-twenty-two/qgroundcontrol,kd0aij/qgroundcontrol,dagoodma/qgroundcontrol,CornerOfSkyline/qgroundcontrol,dagoodma/qgroundcontrol,catch-twenty-two/qgroundcontrol,cfelipesouza/qgroundcontrol,Hunter522/qgroundcontrol,CornerOfSkyline/qgroundcontrol,scott-eddy/qgroundcontrol,scott-eddy/qgroundcontrol,scott-eddy/qgroundcontrol,mihadyuk/qgroundcontrol,Hunter522/qgroundcontrol,Hunter522/qgroundcontrol,Hunter522/qgroundcontrol,scott-eddy/qgroundcontrol,mihadyuk/qgroundcontrol,Hunter522/qgroundcontrol,dagoodma/qgroundcontrol,mihadyuk/qgroundcontrol