wireguard: T4930: remove pylint W0611: unused import

Author: c-po

python/vyos/ifconfig/wireguard.py

@@ -14,14 +14,9 @@
 # License along with this library.  If not, see <http://www.gnu.org/licenses/>.
 
 import os
-import time
 
-from datetime import timedelta
 from tempfile import NamedTemporaryFile
 
-from hurry.filesize import size
-from hurry.filesize import alternative
-
 from vyos.configquery import ConfigTreeQuery
 from vyos.ifconfig import Interface
 from vyos.ifconfig import Operational