removed unnecessary condition

bundles/org.eclipse.core.jobs/src/org/eclipse/core/internal/jobs/Worker.java

diff --git a/bundles/org.eclipse.core.jobs/src/org/eclipse/core/internal/jobs/Worker.java b/bundles/org.eclipse.core.jobs/src/org/eclipse/core/internal/jobs/Worker.java
index 1a2bda3..94e5932 100644
--- a/bundles/org.eclipse.core.jobs/src/org/eclipse/core/internal/jobs/Worker.java
+++ b/bundles/org.eclipse.core.jobs/src/org/eclipse/core/internal/jobs/Worker.java
@@ -49,9 +49,6 @@
 		setPriority(Thread.NORM_PRIORITY);
 		try {
 			while ((currentJob = pool.startJob(this)) != null) {
-				//if job is null we've been shutdown
-				if (currentJob == null)
-					return;
 				currentJob.setThread(this);
 				IStatus result = Status.OK_STATUS;
 				try {