Remove not used WeightValidationHelper (#2916)

Signed-off-by: Avgustin Marinov <Avgustin.Marinov@bosch.com>

hawkbit-dmf/hawkbit-dmf-server/src/main/java/org/eclipse/hawkbit/app/dmf/DmfStart.java

@@ -17,7 +17,7 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
  * The minimal configuration for the stand alone hawkBit DMF server.
  */
 @SpringBootApplication(scanBasePackages = "org.eclipse.hawkbit")
-public class DMFStart {
+public class DmfStart {
 
     /**
      * Main method to start the spring-boot application.
@@ -25,6 +25,6 @@ public class DMFStart {
      * @param args the VM arguments.
      */
     public static void main(final String[] args) {
-        SpringApplication.run(DMFStart.class, args);
+        SpringApplication.run(DmfStart.class, args);
     }
 }