fixed checkstyle problems

src/main/java/de/rwu/easydrop/api/dto/OfferDTO.java

@@ -29,13 +29,5 @@ public class OfferDTO {
      */
     private String lastUpdate;
 
-    /**
+
-     * Creates OfferDTO instance.
-     * @param newofferId
-     * @param newLastUpdate
-     */
-    public OfferDTO(final String newofferId, final String newLastUpdate){
-        this.offerId = newofferId;
-        this.lastUpdate = newLastUpdate;
-    }
 }