[entropy.client] remove repositories list cache validation code

Dead code, no longer needed.

lib/entropy/client/interfaces/cache.py

@@ -21,26 +21,9 @@ from entropy.exceptions import RepositoryError
 from entropy.cache import EntropyCacher
 from entropy.db.exceptions import OperationalError, DatabaseError
 
-REPO_LIST_CACHE_ID = 'repos/repolist'
 
 class CacheMixin:
 
-    def _validate_repositories_cache(self):
-        # is the list of repos changed?
-        cached = self._cacher.pop(REPO_LIST_CACHE_ID)
-        if cached != self._settings['repositories']['order']:
-            # invalidate matching cache
-            try:
-                self._settings._clear_repository_cache(repoid = None)
-            except IOError:
-                pass
-            self._store_repository_list_cache()
-
-    def _store_repository_list_cache(self):
-        self._cacher.push(REPO_LIST_CACHE_ID,
-            self._settings['repositories']['order'],
-            async = False)
-
     def clear_cache(self):
         """
         Clear all the Entropy default cache directory. This function is

lib/entropy/client/interfaces/client.py

@@ -796,18 +796,12 @@ class Client(Singleton, TextInterface, LoadersMixin, CacheMixin,
         if shell_xcache:
             self.xcache = False
 
-        do_validate_repo_cache = False
         # now if we are on live, we should disable it
         # are we running on a livecd? (/proc/cmdline has "cdroot")
         if entropy.tools.islive():
             self.xcache = False
         elif (not entropy.tools.is_user_in_entropy_group()) and not user_xcache:
             self.xcache = False
-        elif not user_xcache:
-            do_validate_repo_cache = True
-
-        if do_validate_repo_cache:
-            self._validate_repositories_cache()
 
         if self._repo_validation:
             self._validate_repositories()