Update git submodules

* Update docs/submodules/integration.git from branch 'master'
  to aaf7389fd815cdb073617c018bd73c6f6affa772
  - Remove postman subdirectory

    The postman suite has not been updated for Frankfurt
    They are defacto deprecated
    This shoudl be cherry picked in Frankfurt
    However the suite will remain in El Alto and previous versions

    Issue-ID: INT-1608

    Signed-off-by: mrichomme <morgan.richomme@orange.com>
    Change-Id: Id1ee003e023e8c35d7f5439f1a525ee039fb6b2f

diff --git a/docs/submodules/integration.git b/docs/submodules/integration.git
index ac588d6..aaf7389 160000 (submodule)
--- a/docs/submodules/integration.git
+++ b/docs/submodules/integration.git
@@ -1 +1 @@
-Subproject commit ac588d62a90e7badc32acf476e0ce391e8bdd31b
+Subproject commit aaf7389fd815cdb073617c018bd73c6f6affa772