Revert "core: Setting missing severity to audit log..."

This reverts commit 5b04d663c19a9eba12b1d7a2ec71cc5617b724b6.

Breaks CI tests 

Change-Id: Ib5640d003bd27d3f92156fb36fe604ce32b2f2c5
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1057029
Signed-off-by: Eli Mesika <emesika@redhat.com>