Fix some sonar findings (#2149)

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

hawkbit-repository/hawkbit-repository-jpa/src/test/java/org/eclipse/hawkbit/repository/jpa/management/TargetManagementSearchTest.java

@@ -673,15 +673,9 @@ class TargetManagementSearchTest extends AbstractJpaIntegrationTest {
                 .as("and contains the following elements").containsAll(expected);
     }
 
-    private void assertThatTargetNameEquals(final List<Target> targets1, final int index1, final List<Target> targets2,
-            final int index2) {
-        assertThat(targets1.get(index1).getName()).isEqualTo(targets2.get(index2).getName());
-    }
-
     private DistributionSet createDistSetWithType(final DistributionSetType type) {
         final DistributionSetCreate dsCreate = entityFactory.distributionSet().create().name("test-ds").version("1.0")
                 .type(type);
         return distributionSetManagement.create(dsCreate);
     }
-
-}
+}