Make database usage the default

Some cleanup of no longer used functions

lib/db_revision.py

@@ -1,3 +1,4 @@
+import logging
 from hashlib import md5
 
 from lib.db import DB
@@ -213,11 +214,11 @@ class DBRevision:
                 old_files[entry["name"]] = f"{entry['md5']}-{entry['size']}"
         for entry in self.files_list(db):
             if old_files.get(entry["name"], "") != f"{entry['md5']}-{entry['size']}":
-                print("Download", entry["name"])
+                logging.debug(f"Download {entry['name']}")
                 to_download.append(entry["name"])
             old_files.pop(entry["name"], None)
         for entry in old_files.keys():
-            print("Delete", entry)
+            logging.debug(f"Delete {entry}")
             to_delete.append(entry)
         return to_download, to_delete