nixos/user: Don't recommend mkpasswd methods

Instead rely on the default, which at this time is yescrypt.

Changed files
+1 -1
nixos
modules
+1 -1
nixos/modules/config/users-groups.nix
···
'';
hashedPasswordDescription = ''
-
To generate a hashed password run `mkpasswd -m sha-512`.
If set to an empty string (`""`), this user will
be able to log in without being asked for a password (but not via remote
···
'';
hashedPasswordDescription = ''
+
To generate a hashed password run `mkpasswd`.
If set to an empty string (`""`), this user will
be able to log in without being asked for a password (but not via remote