hashtags are not used for writing product post in grsf case since the underneath regex of tags splits them

git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/data-catalogue/grsf-publisher-ws@139857 82a268e6-3cf1-43bd-a215-b396298e98cf

src/main/java/org/gcube/data_catalogue/grsf_publish_ws/services/GrsfPublisherFisheryService.java

@@ -271,7 +271,7 @@ public class GrsfPublisherFisheryService {
 											futureTitle, 
 											productUrl, 
 											false, 
-											new ArrayList<String>(tags), 
+											null, 
 											authorFullname).start();
 									logger.info("Thread to write a post about the new product has been launched");
 								}

src/main/java/org/gcube/data_catalogue/grsf_publish_ws/services/GrsfPublisherStockService.java

@@ -263,7 +263,7 @@ public class GrsfPublisherStockService {
 											futureTitle, 
 											productUrl, 
 											false, 
-											new ArrayList<String>(tags), 
+											null, 
 											authorFullname).start();
 									logger.info("Thread to write a post about the new product has been launched");
 								}