Revert "Add placeholder test code to account for RIS citation stub"

This reverts commit 2946f3c.

test/api/test_catalog.py

@@ -329,9 +329,8 @@ def assert_metadata_record(schema_id):
     has_datacite = True
     has_iso19115 = example_record.schema_id == 'SAEON.ISO19115'
     has_jsonld = catalog_id == 'MIMS'
-    has_ris = True
 
-    assert len(result['metadata_records']) == has_datacite + has_iso19115 + has_jsonld + has_ris
+    assert len(result['metadata_records']) == has_datacite + has_iso19115 + has_jsonld
 
     if has_datacite:
         assert_metadata_record('SAEON.DataCite4')
@@ -342,11 +341,6 @@ def assert_metadata_record(schema_id):
     if has_jsonld:
         assert_metadata_record('SchemaOrg.Dataset')
 
-    if has_ris:
-        pass
-        # todo:
-        #  assert_metadata_record('RIS.Citation')
-
 
 @pytest.mark.parametrize('schema_id, json_pointer, expected_value', [
     ('SAEON.DataCite4', '/titles/0/title', 'Example Metadata Record: ISO19115 - SAEON Profile'),