remove unused import

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1739991 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/fling/src/main/java/org/apache/sling/samples/fling/internal/WiserSmtpService.java b/fling/src/main/java/org/apache/sling/samples/fling/internal/WiserSmtpService.java
index 03b91a7..9f8fe0d 100644
--- a/fling/src/main/java/org/apache/sling/samples/fling/internal/WiserSmtpService.java
+++ b/fling/src/main/java/org/apache/sling/samples/fling/internal/WiserSmtpService.java
@@ -19,7 +19,6 @@
 package org.apache.sling.samples.fling.internal;
 
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.List;
 
 import javax.mail.MessagingException;