Remove a bogus utf8 conversion in the (so far) unused check_encrypt. The

conversion is already explicitly handled in all `make_encrypt` backends where
it's needed and the bytes break the initial `assure_password_strength` call.

Including the fix here as only the new unit test triggers it.

Author: jonasbardino

mig/shared/pwcrypto.py

@@ -606,7 +606,6 @@ def check_encrypt(configuration, service, username, password, encrypted,
     accepted. Use only during active log in checks.
     """
     _logger = configuration.logger
-    password = force_utf8(password)
     if isinstance(encrypt_cache, dict) and \
             encrypt_cache.get(password, None) == encrypted:
         # print("got cached encrypt: %s" % encrypt_cache.get(password, None))