CLOUDSTACK-6156: removing rampart maven dependencies from awsapi

The removed dependencies don't seem to be used in code, and their
presence is causing at least some people to be unable to build awsapi
and RPM packages.

Signed-off-by: John Kinsella <jlk@stratosec.co> 1395207698 -0700

Conflicts:
	awsapi/pom.xml