core: Remove unused JARs from bll's pom.xml

Removed a bunch of JAR dependencies from bll's pom.xml file.

These dependencies were probably required when we had integration tests
on an embedded JBoss. Since these tests are long gone, there is no
reason to hang on to their dependencies.

Change-Id: I3312c854bf9da0236f42ad559015ff71d1a08aea
Signed-off-by: Allon Mureinik <amureini@redhat.com>