“hide” turns of atom and bond representations.
hide [ representation [, selection ]]
representation = lines, spheres, mesh, ribbon, cartoon, sticks, dots, surface, labels, extent, nonbonded, nb_spheres, slice, extent, slice, dashes, angles, dihedrals, cgo, cell, callback, or everything
selection = string: a selection-expression or name-pattern
hide lines, all hide ribbon