Remove import nss from test_ldap

test_ldap just imported nss.nss to call nss_init_nodb(). It should be
safe to remove the call. Let's see what CI has to say.

Signed-off-by: Christian Heimes <cheimes@redhat.com>
Reviewed-By: Martin Babinsky <mbabinsk@redhat.com>

ipatests/test_ipaserver/test_ldap.py

@@ -31,7 +31,6 @@ import sys
 import pytest
 import nose
 from nose.tools import assert_raises  # pylint: disable=E0611
-import nss.nss as nss
 import six
 
 from ipaplatform.paths import paths
@@ -53,7 +52,6 @@ class test_ldap(object):
     def setup(self):
         self.conn = None
         self.ldapuri = 'ldap://%s' % ipautil.format_netloc(api.env.host)
-        nss.nss_init_nodb()
         self.dn = DN(('krbprincipalname','ldap/%s@%s' % (api.env.host, api.env.realm)),
                      ('cn','services'),('cn','accounts'),api.env.basedn)