Update git submodules

* Update docs/submodules/aaf/authz.git from branch 'master'
  to 427c69d6b0c105765a1f496b93ac5a53a7c06074
  - Merge "Remove this useless assignment to local variable "lookup""
  - Remove this useless assignment to local variable "lookup"

    Remove this useless assignment to local variable "lookup"

    Issue-ID: AAF-876
    Change-Id: I008c8ccf2485bdb13c8e911ff4903d8c0d23f539
    Signed-off-by: Thugutla sailakshmi <tsaila10@in.ibm.com>

diff --git a/docs/submodules/aaf/authz.git b/docs/submodules/aaf/authz.git
index 1aba148..427c69d 160000 (submodule)
--- a/docs/submodules/aaf/authz.git
+++ b/docs/submodules/aaf/authz.git
@@ -1 +1 @@
-Subproject commit 1aba148a7ff88c8f43762da19fa4c757c62732c5
+Subproject commit 427c69d6b0c105765a1f496b93ac5a53a7c06074