samba: Remove deprecated encrypt/null passwords options

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

src/paks/samba/install.sh

@@ -36,6 +36,8 @@ restore_backup ${NAME}
 # Migrate configuration from Samba 3.6 to 4.x
 sed -i /var/ipfire/samba/smb.conf \
 	-e "/^display charset =/d" \
+	-e "/^encrypt passwords =/d" \
+	-e "/^null passwords =/d" \
 	-e "/^socket options =/d" \
 	-e "/^syslog/d" \
 	-e "s/^security = share$/security = user/"