linear: remove no-op element types
linear: remove no-op element types

mdavidsaver/jmbgsddb,mdavidsaver/jmbgsddb,frib-high-level-controls/FLAME,frib-high-level-controls/FLAME,frib-high-level-controls/FLAME,frib-high-level-controls/FLAME,mdavidsaver/jmbgsddb,frib-high-level-controls/FLAME,frib-high-level-controls/FLAME,mdavidsaver/jmbgsddb