Remove duplicate privilege

[n1v0lg]

read_slm was defined twice in #2547. Removing the dup.

[github-actions]

Following you can find the validation results for the APIs you have changed.

API	Status	Request	Response
security.activate_user_profile	🔴	8/9	8/9
security.authenticate	🔴	28/29	28/29
security.bulk_update_api_keys	🟠	Missing type	Missing type
security.change_password	🔴	8/9	8/9
security.clear_api_key_cache	🔴	12/13	12/13
security.clear_cached_privileges	🔴	2/3	2/3
security.clear_cached_realms	🔴	0/1	0/1
security.clear_cached_roles	🔴	1/2	1/2
security.clear_cached_service_tokens	🔴	3/4	3/4
security.create_api_key	🔴	56/57	47/48
security.create_cross_cluster_api_key	🟠	Missing type	Missing type
security.create_service_token	🔴	2/3	2/3
security.delete_privileges	🔴	5/6	5/6
security.delete_role_mapping	🔴	8/9	8/9
security.delete_role	🔴	7/8	7/8
security.delete_service_token	⚪	Missing test	Missing test
security.delete_user	🔴	8/9	8/9
security.disable_user_profile	🔴	0/1	0/1
security.disable_user	🔴	2/3	2/3
security.enable_user_profile	🔴	0/1	0/1
security.enable_user	🔴	3/4	3/4
security.enroll_kibana	⚪	Missing test	Missing test
security.enroll_node	⚪	Missing test	Missing test
security.get_api_key	🔴	36/37	13/37
security.get_builtin_privileges	🔴	1/2	0/2
security.get_privileges	🔴	11/12	11/12
security.get_role_mapping	🔴	17/18	9/18
security.get_role	🔴	21/22	19/22
security.get_service_accounts	⚪	Missing test	Missing test
security.get_service_credentials	🔴	0/1	0/1
security.get_settings	🟠	Missing type	Missing type
security.get_token	🔴	24/25	23/24
security.get_user_privileges	🔴	7/8	6/8
security.get_user_profile	🔴	7/8	7/8
security.get_user	🔴	24/25	24/25
security.grant_api_key	🔴	6/7	6/7
security.has_privileges_user_profile	🔴	2/3	2/3
security.has_privileges	🔴	23/24	23/24
security.invalidate_api_key	🔴	11/12	11/12
security.invalidate_token	🔴	10/11	10/11
security.oidc_authenticate	🟠	Missing type	Missing type
security.oidc_logout	🟠	Missing type	Missing type
security.oidc_prepare_authentication	🟠	Missing type	Missing type
security.put_privileges	🔴	9/10	9/10
security.put_role_mapping	🔴	1/11	10/11
security.put_role	🔴	37/40	38/39
security.put_user	🔴	48/49	47/48
security.query_api_keys	🔴	12/14	0/14
security.saml_authenticate	⚪	Missing test	Missing test
security.saml_complete_logout	⚪	Missing test	Missing test
security.saml_invalidate	⚪	Missing test	Missing test
security.saml_logout	⚪	Missing test	Missing test
security.saml_prepare_authentication	⚪	Missing test	Missing test
security.saml_service_provider_metadata	⚪	Missing test	Missing test
security.suggest_user_profiles	🔴	0/1	0/1
security.update_api_key	🔴	4/5	4/5
security.update_cross_cluster_api_key	🟠	Missing type	Missing type
security.update_settings	🟠	Missing type	Missing type
security.update_user_profile_data	🔴	0/1	0/1

You can validate these APIs yourself by using the make validate target.

[pquentin]

Thanks! LGTM.

[n1v0lg]

@elasticmachine update branch