Don't install config file to /etc

As setup.py is mostly used for installation in virtualenvs, hard-coding
this path will break it.

Fixes: https://pagure.io/releng/python-multilib/issue/5
Signed-off-by: Tomas Kopecek <tkopecek@redhat.com>

setup.py

@@ -25,6 +25,6 @@ setup(
     packages = packages,
     install_requires = ['six'],
     package_data = {'': ['README.md', 'LICENSE']},
-    data_files = [('/etc', ['etc/multilib.conf'])],
+    #data_files = [('/etc', ['etc/multilib.conf'])],
     test_suite      = "tests",
 )