Fix/lifting line without fuselage

Fixed lifting line interface to run for BWB

Description

Had to remove fuselage entries, so that BWB can becalculated

This MR is needed to run MR !269

requested review from @gPauls-TUHH

assigned to @lukas.neuerburg and @gPauls-TUHH

changed the description

mentioned in merge request aircraft-design!269 (merged)

enabled an automatic merge when all merge checks for 442b6443 pass

approved this merge request

merged

mentioned in commit 8f7cbcc3