Update git submodules

* Update docs/submodules/aaf/authz.git from branch 'master'
  to b91f022e5c6ba0e5360e4b26c320814b07c2607d
  - Merge "Sonar-AAF_Hello.java"
  - Sonar-AAF_Hello.java

    Remove the declaration of thrown exception 'java.lang.Exception', as it cannot be thrown from method's body.

    Issue-ID: AAF-982
    Change-Id: I91d81ff24dbbf435f1f064675902beb61fa8fb06
    Signed-off-by: anushadasari <danush10@in.ibm.com>

diff --git a/docs/submodules/aaf/authz.git b/docs/submodules/aaf/authz.git
index 586d225..b91f022 160000 (submodule)
--- a/docs/submodules/aaf/authz.git
+++ b/docs/submodules/aaf/authz.git
@@ -1 +1 @@
-Subproject commit 586d2253e528ad96cbf9817a1cd440874e7bc26c
+Subproject commit b91f022e5c6ba0e5360e4b26c320814b07c2607d