Removes outdated test of bookwyrm connector updater

bookwyrm/tests/connectors/test_abstract_connector.py

@@ -63,29 +63,6 @@ class AbstractConnector(TestCase):
         self.assertEqual(mapping.formatter('bb'), 'aabb')
 
 
-    def test_update_from_mappings(self):
-        data = {
-            'title': 'Unused title',
-            'isbn_10': '1234567890',
-            'isbn_13': 'blahhh',
-            'blah': 'bip',
-            'format': 'hardcover',
-            'series': ['one', 'two'],
-        }
-        mappings = [
-            Mapping('isbn_10'),
-            Mapping('blah'),# not present on self.book
-            Mapping('physical_format', remote_field='format'),
-            Mapping('series', formatter=lambda x: x[0]),
-        ]
-        book = self.connector.update_from_mappings(self.book, data, mappings)
-        self.assertEqual(book.title, 'Example Edition')
-        self.assertEqual(book.isbn_10, '1234567890')
-        self.assertEqual(book.isbn_13, None)
-        self.assertEqual(book.physical_format, 'hardcover')
-        self.assertEqual(book.series, 'one')
-
-
     def test_match_from_mappings(self):
         edition = models.Edition.objects.create(
             title='Blah',