Fix wrong violations definitino in "Putting it all together" document
Fix wrong violations definitino in "Putting it all together" document

The violations definition was trying to filter for public_servers that
are 'true'; but this would never happen as they are structures
themselves.

Signed-off-by: Juan Antonio Osorio Robles <d8dc07dad5d21128befc050da3d4f0626ea7fe63@redhat.com>

open-policy-agent/opa,open-policy-agent/opa,tsandall/opa,open-policy-agent/opa,tsandall/opa,tsandall/opa,open-policy-agent/opa,tsandall/opa,open-policy-agent/opa,open-policy-agent/opa,tsandall/opa,tsandall/opa