Remove unused logging facility from a few comparators.

diffoscope/comparators/symlink.py

@@ -18,15 +18,12 @@
 # along with diffoscope.  If not, see <https://www.gnu.org/licenses/>.
 
 import os
-import logging
 
 from diffoscope.tempfiles import get_named_temporary_file
 from diffoscope.difference import Difference
 
 from .utils.file import File
 
-logger = logging.getLogger(__name__)
-
 
 class Symlink(File):
     DESCRIPTION = "symlinks"

diffoscope/comparators/xar.py

@@ -18,7 +18,6 @@
 # along with diffoscope.  If not, see <https://www.gnu.org/licenses/>.
 import hashlib
 import re
-import logging
 import struct
 import xml.etree.ElementTree as ET
 import zlib
@@ -28,8 +27,6 @@ from .utils.file import File
 from .utils.archive import Archive
 from diffoscope.difference import Difference
 
-logger = logging.getLogger(__name__)
-
 
 class XarContainer(Archive):
     def get_member_names(self):