CASL-1419 reverted unnecessary deltaNs modifications

Signed-off-by: Jakub Amanowicz <jakub.amanowicz@here.com>

Author: Jakub Amanowicz

here-naksha-lib-core/src/main/java/com/here/naksha/lib/core/models/geojson/implementation/namespaces/HereDeltaNs.java

@@ -27,9 +27,6 @@
 @SuppressWarnings({"UnusedReturnValue", "unused"})
 public class HereDeltaNs extends JsonObject {
 
-  public static final String CHANGE_STATE_PROPERTY = "changeState";
-  public static final String REVIEW_STATE_PROPERTY = "reviewState";
-
   /**
    * Create a new default delta namespace for new features.
    */
@@ -46,8 +43,8 @@ public HereDeltaNs() {
    */
   @JsonCreator
   public HereDeltaNs(
-      @JsonProperty(CHANGE_STATE_PROPERTY) @Nullable EChangeState changeState,
-      @JsonProperty(REVIEW_STATE_PROPERTY) @Nullable EReviewState reviewState) {
+      @JsonProperty("changeState") @Nullable EChangeState changeState,
+      @JsonProperty("reviewState") @Nullable EReviewState reviewState) {
     if (changeState == null) {
       changeState = EChangeState.CREATED;
     }
@@ -215,7 +212,7 @@ public HereDeltaNs(
    * (see <a href="https://devzone.it.here.com/jira/browse/CMECMSSUP-1945">CMECMSSUP-1945</a>)!
    */
   @JsonProperty
-  private Long priorityCategory;
+  private long priorityCategory;
 
   /**
    * The UNIX epoch timestamp in milliseconds of the time until when the edit must be taken care of. This property is only set automatically