Sonar Fixes (11) (#2223)

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

hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/builder/JpaDistributionSetCreate.java

@@ -45,7 +45,7 @@ public class JpaDistributionSetCreate extends AbstractDistributionSetUpdateCreat
 
     @Override
     public DistributionSetCreate type(final String type) {
-        this.type = type == null ? null : type.strip();
+        this.type = type.strip();
         return this;
     }