Remove base_url fields from test-data.sql

src/test/resources/test-data.sql

-INSERT INTO storage (storage_type, base_path, base_url, hostname) VALUES ('cold', '/ia2_tape/users', NULL, 'tape-server');
-INSERT INTO storage (storage_type, base_path, base_url, hostname) VALUES ('hot', '/mnt/hot_storage/users', NULL, 'server');
-INSERT INTO storage (storage_type, base_path, base_url, hostname) VALUES ('local', '/home', NULL, 'localhost');
-INSERT INTO storage (storage_type, base_path, base_url, hostname) VALUES ('local', '/home/vospace/upload', NULL, 'localhost');
+INSERT INTO storage (storage_type, base_path, hostname) VALUES ('cold', '/ia2_tape/users', 'tape-server');
+INSERT INTO storage (storage_type, base_path, hostname) VALUES ('hot', '/mnt/hot_storage/users', 'server');
+INSERT INTO storage (storage_type, base_path, hostname) VALUES ('local', '/home', 'localhost');
+INSERT INTO storage (storage_type, base_path, hostname) VALUES ('local', '/home/vospace/upload', 'localhost');
 
 INSERT INTO location (location_type, storage_src_id, storage_dest_id) VALUES ('async', 1, 3);
 INSERT INTO location (location_type, storage_src_id, storage_dest_id) VALUES ('async', 2, 3);