Remove derby from distro

All runtime deps on derby have been removed.  We only require derby for
JDBC related tests.

artemis-distribution/src/main/assembly/dep.xml

@@ -94,7 +94,6 @@
             <include>org.fusesource.hawtbuf:hawtbuf</include>
             <include>org.jgroups:jgroups</include>
             <include>io.netty:netty-codec-mqtt</include>
-            <include>org.apache.derby:derby</include>
          </includes>
          <!--excludes>
             <exclude>org.apache.activemq:artemis-website</exclude>