Merge pull request #38 from apache/ver2

remove unused dependency
diff --git a/pom.xml b/pom.xml
index 852d47a..69412bd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -222,11 +222,6 @@
       <artifactId>velocity</artifactId>
       <version>1.7</version>
     </dependency>
-    <dependency>
-      <groupId>commons-collections</groupId>
-      <artifactId>commons-collections</artifactId>
-      <version>3.2.2</version>
-    </dependency>
 
     <!-- test -->
     <dependency>