Don't drop the anitya log handler

When we run the tests, nose won't show the log output unless there's an
error. This fixes the 'No handlers could be found for logger
"anitya.lib.plugins"' error during the unit tests.

Signed-off-by: Jeremy Cline <jeremy@jcline.org>

anitya/tests/base.py

@@ -23,7 +23,6 @@
 from __future__ import print_function
 
 from functools import wraps
-import logging
 import unittest
 import os
 
@@ -48,10 +47,6 @@
         pass
 
 
-_log = logging.getLogger('anitya')
-_log.handlers = []
-
-
 def skip_jenkins(function):
     """ Decorator to skip tests if AUTH is set to False """
     @wraps(function)