Fix pylint errors

lbrynet/core/file_utils.py

@@ -3,7 +3,7 @@ import sys
 import subprocess
 
 def start(path):
-    """ 
+    """
     Open a file with the OS's default program. (Cross-platform equivalent of os.startfile() for
     Windows)
     """

lbrynet/lbrynet_daemon/Daemon.py

@@ -4,8 +4,6 @@ import mimetypes
 import os
 import random
 import re
-import subprocess
-import sys
 import base58
 import requests
 import urllib