Minor update of VasprunxmlExpat

phonopy/interface/vasp.py

@@ -754,15 +754,6 @@ class VasprunxmlExpat(object):
     def get_symbols(self):
         return self._symbols
 
-    def get_cells(self):
-        cells = []
-        if len(self._all_points) == len(self._all_lattice):
-            for p, l in zip(self._all_points, self._all_lattice):
-                cells.append(Cell(lattice=l,
-                                  points=p,
-                                  symbols=self._symbols))
-        return cells
-
     def get_energies(self):
         return np.array(self._all_energies)