Remove dead code

slapos/recipe/cmmi/__init__.py

@@ -8,7 +8,6 @@ import stat
 import subprocess
 import sys
 from hashlib import md5
-import pkg_resources
 import zc.buildout
 from zc.buildout import UserError
 from zc.buildout.buildout import bool_option
@@ -131,13 +130,6 @@ class Recipe(object):
     def update(self):
         pass
 
-    def _compute_part_signatures(self, options):
-        # Copy from zc.buildout.Buildout, compute recipe signature
-        recipe, entry = zc.buildout.buildout._recipe(options)
-        req = pkg_resources.Requirement.parse(recipe)
-        sig = zc.buildout.buildout._dists_sig(pkg_resources.working_set.resolve([req]))
-        return ' '.join(sig)
-
     def download_file(self, url):
         download = zc.buildout.download.Download(
           self.buildout['buildout'], hash_name=True)