remove unused config

src/main/resources/application.yml

@@ -28,11 +28,6 @@ server:
     max-http-form-post-size: 10MB
     max-swallow-size: 10MB
 
-app:  
-  server:
-    http-port: 8080
-    redirect-to-https: false
-
 logging:
   level:
     ROOT: INFO