Revert "aaa: Introducing  attach_user_to_su_role"

Topic: AAA
This reverts commit 10bcb8e08cd9f8b6bd944d79cbe34047d9be0c6f.

Change-Id: I3aa24e6781fb0efcd539a44a0adf2aefb897c3d3
Signed-off-by: Yair Zaslavsky <yzaslavs@redhat.com>