[incubator-kie-issues-597-orphans] potential fix for orphans (#2348) (#…

…2382)

Co-authored-by: Enrique <enrique.gonzalez.martinez1@ibm.com>

jbpm-flow/src/main/java/org/jbpm/process/core/timer/impl/GlobalTimerService.java

@@ -161,8 +161,11 @@ public boolean removeJob(JobHandle jobHandle) {
             return unregisterJobHandle(jobHandle);
         } else {
         	logger.debug("No match for job handle {} within handles of session {}", jobHandle, sessionId);
-            return false;
+        	// even if we don't have this we need to trigger the deletion as we could be in cluster env and not 
+        	// having the info in here
+            return unregisterJobHandle(jobHandle);
         }
+
     }
 
     private GlobalJobHandle registerJobHandle (Job job, JobContext ctx, Trigger trigger) {