[entropy.client.cache] drop _selective_repositories_hash()

lib/entropy/client/interfaces/cache.py

@@ -39,10 +39,15 @@ class CacheMixin:
         sha.update(const_convert_to_rawstring(repr(c_hash)))
         return sha.hexdigest()
 
-    def _selective_repositories_hash(self, repositories):
+    def _repositories_hash(self):
+        """
+        Return the checksum of all the available repositories, including
+        package repos.
+        """
         sha = hashlib.sha1()
         sha.update(const_convert_to_rawstring("0"))
-        for repo in repositories:
+
+        for repo in self.repositories():
             try:
                 dbconn = self.open_repository(repo)
             except (RepositoryError):
@@ -59,10 +64,3 @@ class CacheMixin:
                     level = "warning"
                 )
         return sha.hexdigest()
-
-    def _repositories_hash(self):
-        """
-        Return the checksum of all the available repositories, including
-        package repos.
-        """
-        return self._selective_repositories_hash(self.repositories())