pylint: remove useless suppression

The newer version of pylint has fixed false positives and
does not need anymore these suppressions:
- global-variable-not-assigned
- invalid-sequence-index
- no-name-in-module
- not-callable
- unsupported-assignment-operation

Related: https://pagure.io/freeipa/issue/9278
Signed-off-by: Florence Blanc-Renaud <flo@redhat.com>
Reviewed-By: Stanislav Levin <slev@altlinux.org>

ipalib/base.py

@@ -469,7 +469,7 @@ class NameSpace(ReadOnly):
         if isinstance(key, str):
             return self.__map[key]
         if type(key) in (int, slice):
-            return self.__members[key]  # pylint: disable=invalid-sequence-index
+            return self.__members[key]
         raise TypeError(
             TYPE_ERROR % ('key', (str, int, slice, 'object with __name__'),
                           key, type(key))