BRepBuilderAPI → gp Relation

File in src/BRepBuilderAPI	Includes file in src/gp
BRepBuilderAPI_GTransform.hxx	gp_GTrsf.hxx
BRepBuilderAPI_Transform.hxx	gp_Trsf.hxx
BRepBuilderAPI_VertexInspector.hxx	gp_XYZ.hxx