common code delete key

src/main/resources/application.yml

@@ -21,8 +21,8 @@ server:
 spring:
   application:
     name: its-op-server
-  #jackson:
-  #  property-naming-strategy: SNAKE_CASE
+  jackson:
+    property-naming-strategy: LOWER_CASE
   #LOWER_CASE
   #SNAKE_CASE
   #UPPER_CAMEL_CASE