Replace custom implementation of default spring profile by standard (#894)

* remove custom default profile from Application.java

* specify default profile in application.yml, because this is the standard, expected, way of doing things:
   https://docs.spring.io/spring-boot/reference/features/profiles.html

Author: dennisvang

src/main/java/org/fairdatateam/fairdatapoint/Application.java

@@ -39,13 +39,7 @@
 @ConfigurationPropertiesScan("org.fairdatateam.fairdatapoint.config.*")
 public class Application {
 
-    private static final String PROFILES_PROPERTY = "spring.profiles.active";
-
     public static void main(String[] args) {
-        final String property = System.getProperties().getProperty(PROFILES_PROPERTY);
-        if (property == null) {
-            System.setProperty(PROFILES_PROPERTY, Profiles.PRODUCTION);
-        }
         SpringApplication.run(Application.class, args);
     }
 }

src/main/resources/application.yml

@@ -15,6 +15,8 @@ spring:
       pageable:
         default-page-size: 50
         qualifier-delimiter: _
+  profiles:
+    default: production
   task:
     execution:
       pool: