Revert "CDRIVER-2282 test NULL error and mongoc_topology_compatible"

This reverts commit 7e8c82d

I forgot that on the 1.8 branch, a maxWireVersion 1 server is still
considered compatible.

Author: ajdavis

tests/test-mongoc-topology.c

@@ -1332,39 +1332,6 @@ test_ismaster_retry_pooled_timeout_fail (void)
 }
 
 
-/* ensure there's no invalid access if a null bson_error_t pointer is passed
- * to mongoc_topology_compatible () */
-static void
-test_compatible_null_error_pointer (void)
-{
-   mock_server_t *server;
-   mongoc_client_t *client;
-   mongoc_topology_description_t *td;
-   bson_error_t error;
-
-   server = mock_server_with_autoismaster (1); /* incompatible */
-   mock_server_run (server);
-   client = mongoc_client_new_from_uri (mock_server_get_uri (server));
-   td = &client->topology->description;
-
-   /* trigger connection, fails due to incompatibility */
-   ASSERT (!mongoc_client_command_simple (
-      client, "admin", tmp_bson ("{'ismaster': 1}"), NULL, NULL, &error));
-
-   ASSERT_ERROR_CONTAINS (error,
-                          MONGOC_ERROR_PROTOCOL,
-                          MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION,
-                          "");
-
-   /* null error pointer is ok */
-   ASSERT (!mongoc_topology_compatible (
-      td, NULL /* read prefs */, NULL /* error */));
-
-   mongoc_client_destroy (client);
-   mock_server_destroy (server);
-}
-
-
 void
 test_topology_install (TestSuite *suite)
 {
@@ -1471,7 +1438,4 @@ test_topology_install (TestSuite *suite)
    TestSuite_AddMockServerTest (suite,
                                 "/Topology/ismaster_retry/pooled/timeout/fail",
                                 test_ismaster_retry_pooled_timeout_fail);
-   TestSuite_AddMockServerTest (suite,
-                                "/Topology/compatible_null_error_pointer",
-                                test_compatible_null_error_pointer);
 }