Removed unused import.

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1529834 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/dependencymanager/core/src/main/java/org/apache/felix/dm/impl/SerialExecutor.java b/dependencymanager/core/src/main/java/org/apache/felix/dm/impl/SerialExecutor.java
index 4f5b640..70cf814 100644
--- a/dependencymanager/core/src/main/java/org/apache/felix/dm/impl/SerialExecutor.java
+++ b/dependencymanager/core/src/main/java/org/apache/felix/dm/impl/SerialExecutor.java
@@ -19,7 +19,6 @@
 package org.apache.felix.dm.impl;
 
 import java.util.LinkedList;
-import java.util.NoSuchElementException;
 
 /**
  * Allows you to enqueue tasks from multiple threads and then execute