Updated git submodules

Project: aai/esr-server master 8ed87e2493fc517daa9255f73b13b14faa48b20f

Remove the unused variable

Fix sonar issue https://sonar.onap.org/component_issues?id=org.onap.aai.esr-server%3Aaai-esr-server#severities=MAJOR|resolved=false

Change-Id: I07cb02bfad47e245e0a76030524a1db15948eb2a
Issue-ID: AAI-734
Signed-off-by: Lizi <li.zi30@zte.com.cn>


diff --git a/docs/submodules/aai/esr-server.git b/docs/submodules/aai/esr-server.git
index df3d2cc..8ed87e2 160000
--- a/docs/submodules/aai/esr-server.git
+++ b/docs/submodules/aai/esr-server.git
@@ -1 +1 @@
-Subproject commit df3d2cc8479e289cd0c0461075f54fb02acf2ce0
+Subproject commit 8ed87e2493fc517daa9255f73b13b14faa48b20f