[POLICY] Remove hardcoded credentials from policy-xacml-pdp

This patch remove hardcoded healthcheck credentials from policy-xacml-pdp

Issue-ID: OOM-2342
Signed-off-by: Dominik Mizyn <d.mizyn@samsung.com>
Change-Id: I49db16a852412bad79f092232bcd2ba97eac7170
3 files changed