Delete only appropriate resources.
Delete only appropriate resources.

 * Some Kubernetes resources were not being deleted on abort().
 * Only specify the types of resources we actually intend to delete.
 * Don't delete the DB secret before the pods are deleted.

Signed-off-by: Jose A. Rivera <2a0958b6fecb909a38a254361e8d9708c4487d67@redhat.com>

gluster/gluster-kubernetes,ramkrsna/gluster-kubernetes,gluster/gluster-kubernetes,ramkrsna/gluster-kubernetes