Deprecate SecurityAdaptorFactory and SecurityAdaptor

After this change, the SecurityAdaptor isn't used in SubjectCreatingInteceptor:

commit ca7875af320d56420e7e50fd1ae5095b894d2c5e
Author: alessio.soldano@jboss.com <alessio.soldano@jboss.com>
Date:   Wed May 18 08:45:46 2011 +0000

    JBWS-3296 Use SecurityDomainContext abstraction instead of directly accessing picketbox/jboss-security for authentication/authorization

Looks we can deprecate these two classes in jbossws-common or other places.