clean up imports

Author: gavinking

hibernate-core/src/main/java/org/hibernate/boot/internal/MetadataImpl.java

@@ -23,8 +23,6 @@
 import org.hibernate.boot.model.relational.ColumnOrderingStrategy;
 import org.hibernate.boot.model.relational.ColumnOrderingStrategyLegacy;
 import org.hibernate.boot.model.relational.Database;
-import org.hibernate.boot.model.relational.Namespace;
-import org.hibernate.boot.model.relational.Sequence;
 import org.hibernate.boot.query.NamedHqlQueryDefinition;
 import org.hibernate.boot.query.NamedNativeQueryDefinition;
 import org.hibernate.boot.query.NamedProcedureCallDefinition;