Remove unnecessary prints

src/Server/src/main/java/greenify/server/data/model/User.java

@@ -209,7 +209,6 @@ public class User {
             throw new ApplicationException("Cannot add yourself as a friend");
         } else {
             friends.add(user);
-            System.out.print("Friend added!");
         }
     }
 
@@ -222,7 +221,6 @@ public class User {
             throw new ApplicationException("This user is not your friend!");
         } else {
             friends.remove(user);
-            System.out.print("Friend removed");
         }
     }
 

src/Server/src/main/java/greenify/server/rest/UserController.java

@@ -114,7 +114,6 @@ public class UserController {
      */
     @RequestMapping("/getFirst")
     public Float getFirstFootprint(@RequestParam(value = "name") String name) {
-        System.out.println("hello");
         Float footprint = userService.getFirstFootprint(name);
         return footprint;
     }

src/Server/src/main/java/greenify/server/service/CalculatorService.java

@@ -63,7 +63,6 @@ public class CalculatorService {
                 .indexOf("<result_grand_total>")
                 + 20, response.getBody().indexOf("</result_grand_total>"));
         // to do: in not HTTP 200 or exception case throws exception
-        System.out.println(Float.parseFloat(result));
         return Float.parseFloat(result);
     }