fix: solve perpendicular placement in kernel

src/scene/parametric_constraints.rs

@@ -186,33 +186,6 @@ pub(crate) fn directional_axis_endpoints(
     }
 }
 
-/// Finite endpoints used to orient a line-like constraint reference.
-pub(crate) fn directional_reference_endpoints(
-    entity: &acadrust::EntityType,
-    reference: ParametricRef,
-) -> Option<[Vector3; 2]> {
-    if reference.directional_axis().is_some() {
-        return directional_axis_endpoints(entity, reference);
-    }
-    match entity {
-        acadrust::EntityType::Line(line) if reference.marker.is_none() => {
-            Some([line.start, line.end])
-        }
-        acadrust::EntityType::LwPolyline(_) | acadrust::EntityType::Polyline2D(_) => {
-            let index = reference.segment_index()?;
-            let points = super::dimension_assoc::source_points(entity);
-            let start = *points.get(index)?;
-            let end = if let Some(end) = points.get(index + 1) {
-                *end
-            } else {
-                *points.first()?
-            };
-            Some([start, end])
-        }
-        _ => None,
-    }
-}
-
 /// Grabbed points are exact kernel inputs; the solver anchors the remaining
 /// endpoint coordinates according to the line's directional constraints.
 pub(crate) fn grip_solve_anchor_refs(