Update git submodules

* Update docs/submodules/appc.git from branch 'master'
  to 565cf6abafad3eb667169926b3ec478303950662
  - lowered code smells
    
    Removed some unused imports and reorder the modifiers according to java
    standards.
    
    Issue-ID: APPC-1859
    Change-Id: Icb7d6129f583140949d5aef7a20199cc4a03425f
    Signed-off-by: Rupinder <rupinsi1@in.ibm.com>
    
diff --git a/docs/submodules/appc.git b/docs/submodules/appc.git
index d41aae5..565cf6a 160000
--- a/docs/submodules/appc.git
+++ b/docs/submodules/appc.git
@@ -1 +1 @@
-Subproject commit d41aae5d068ef5a2f8db9fbb2cbfafe8f781bde4
+Subproject commit 565cf6abafad3eb667169926b3ec478303950662