Removing OSGI bundle packaging type in some poms - they're causing classes from other modules to be included in the resulting .jar.  We need to better analyze how to support OSGi effectively and then update the poms accordingly.

git-svn-id: https://svn.apache.org/repos/asf/shiro/trunk@1484203 13f79535-47bb-0310-9956-ffa450edef68