remove unneeded skips (some added to Django fork)

Author: timgraham

django_mongodb_backend/gis/features.py

@@ -40,9 +40,6 @@ def django_test_skips(self):
                     # SouthTexasCity fixture objects use SRID 2278 which is ignored
                     # by the patched version of loaddata in the Django fork.
                     "gis_tests.distapp.tests.DistanceTest.test_init",
-                    "gis_tests.distapp.tests.DistanceTest.test_distance_lookups",
-                    "gis_tests.distapp.tests.DistanceTest.test_distance_lookups_with_expression_rhs",
-                    "gis_tests.distapp.tests.DistanceTest.test_distance_annotation_group_by",
                 },
                 "ImproperlyConfigured isn't raised when using RasterField": {
                     # Normally RasterField.db_type() raises an error, but MongoDB
@@ -53,17 +50,12 @@ def django_test_skips(self):
                     # Error: Index already exists with a different name
                     "gis_tests.geoapp.test_indexes.SchemaIndexesTests.test_index_name",
                 },
-                "GIS Union not supported.": {
-                    "gis_tests.geoapp.tests.GeoLookupTest.test_gis_lookups_with_complex_expressions",
-                    "gis_tests.distapp.tests.DistanceTest.test_dwithin",
-                },
                 "Cannot use a non-Point geometry with distance lookups.": {
                     "gis_tests.distapp.tests.DistanceTest.test_dwithin_with_expression_rhs"
                 },
                 "Subqueries not supported.": {
                     "gis_tests.geoapp.tests.GeoLookupTest.test_subquery_annotation",
                     "gis_tests.geoapp.tests.GeoQuerySetTest.test_within_subquery",
-                    "gis_tests.distapp.tests.DistanceTest.test_dwithin_subquery",
                 },
                 "GeoJSONSerializer doesn't support ObjectId.": {
                     "gis_tests.geoapp.test_serializers.GeoJSONSerializerTests.test_fields_option",