For programmatic configuration of a 2nd extra database, put it back to register true by default

Author: rbygrave

src/main/java/io/ebean/test/containers/EbeanAdapter.java

@@ -61,8 +61,7 @@ private static DatabaseBuilder extraBuilder(DataSourceBuilder ds, String name) {
         return io.ebean.Database.builder()
                 .dataSourceBuilder(ds)
                 .name(name)
-                .defaultDatabase(false)
-                .register(false);
+                .defaultDatabase(false);
     }
 
 }