[#1254] Move org.jooq.tools.unsigned contents to org.jooq.types (along

with the new INTERVAL types) - Removed empty package

jOOQ/src/main/java/org/jooq/tools/unsigned/package-info.java

@@ -1,10 +0,0 @@
-/**
- * The <code>org.jooq.tools.unsigned</code> package contains parts of jOOU
- * <p>
- * jOOQ has no external dependencies. Nevertheless, some libraries that are
- * compatible with jOOQ's Apache License 2.0 are embedded into jOOQ. See the
- * jOOU website for more details about jOOU:
- * <p>
- * <a href="http://code.google.com/p/joou/">http://code.google.com/p/joou/</a>
- */
-package org.jooq.tools.unsigned;