SLA support gizmo does not use Grabber class anymore

src/libslic3r/SLA/SLACommon.hpp

@@ -71,7 +71,6 @@ public:
         int m_face_id = -1;
         const EigenMesh3D& m_mesh;
         Vec3d m_dir;
-        Vec3d m_source;
         inline hit_result(const EigenMesh3D& em): m_mesh(em) {}
         friend class EigenMesh3D;
     public:

src/libslic3r/SLA/SLASupportTreeIGL.cpp

@@ -163,7 +163,6 @@ EigenMesh3D::query_ray_hit(const Vec3d &s, const Vec3d &dir) const
     hit_result ret(*this);
     ret.m_t = double(hit.t);
     ret.m_dir = dir;
-    ret.m_source = s;
     if(!std::isinf(hit.t) && !std::isnan(hit.t)) ret.m_face_id = hit.id;
 
     return ret;