Remove PermissionService - unused (#1717) (#1718)

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

hawkbit-rest/hawkbit-mgmt-api/src/main/java/org/eclipse/hawkbit/mgmt/json/model/MgmtBaseEntity.java

@@ -47,6 +47,7 @@ public abstract class MgmtBaseEntity extends RepresentationModel<MgmtBaseEntity>
     @JsonProperty
     @Schema(description = "Entity was last modified at (timestamp UTC in milliseconds)",
             accessMode = Schema.AccessMode.READ_ONLY, example = "1691065906407")
+    @EqualsAndHashCode.Exclude
     private Long lastModifiedAt;
 
     /**

hawkbit-rest/hawkbit-mgmt-api/src/main/java/org/eclipse/hawkbit/mgmt/json/model/system/MgmtSystemTenantConfigurationValue.java

@@ -78,6 +78,7 @@ public class MgmtSystemTenantConfigurationValue extends RepresentationModel<Mgmt
     private boolean global = true;
 
     @Schema(description = "Entity was last modified at (timestamp UTC in milliseconds)", example = "1623085150")
+    @EqualsAndHashCode.Exclude
     private Long lastModifiedAt;
 
     @Schema(description = "Entity was last modified by (User, AMQP-Controller, anonymous etc.)",