Remove wildcard imports

Wildcard imports should not be used.

Check for wildcard imports has been enabled in pylint.
Pylint note: options 'wildcard-import' causes too much false positive
results, so instead it I used 'unused-wildcard-import' option which has almost
the same effect.

Reviewed-By: Jan Cholasta <jcholast@redhat.com>

ipapython/sysrestore.py

@@ -26,7 +26,7 @@
 import os
 import os.path
 import shutil
-from ipapython.ipa_log_manager import *
+from ipapython.ipa_log_manager import root_logger
 import random
 import string