[mod] Remove unicode lines not necessary with Py3

- https://stackoverflow.com/a/37048998
- https://stackoverflow.com/q/23370025

silkaj/cli.py

@@ -15,8 +15,6 @@ You should have received a copy of the GNU Affero General Public License
 along with Silkaj. If not, see <https://www.gnu.org/licenses/>.
 """
 
-# -*- coding: utf-8 -*-
-
 import sys
 from click import group, help_option, version_option, option, pass_context
 

silkaj/network_tools.py

@@ -15,7 +15,6 @@ You should have received a copy of the GNU Affero General Public License
 along with Silkaj. If not, see <https://www.gnu.org/licenses/>.
 """
 
-from __future__ import unicode_literals
 import re
 import socket
 import logging