Pylint: enable cyclic-import check

It looks that pylint stopped printing false positive errors for
cyclic-import check, thus check can be enabled.

Reviewed-By: Tomas Krizek <tkrizek@redhat.com>

pylintrc

@@ -17,7 +17,6 @@ enable=
 
 disable=
     I,
-    cyclic-import,
     duplicate-code,
     import-error,
     interface-not-implemented,