removed unused import

git-svn-id: https://svn.apache.org/repos/asf/maven/shared/trunk@1150946 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/maven/reporting/exec/DefaultMavenReportExecutor.java b/src/main/java/org/apache/maven/reporting/exec/DefaultMavenReportExecutor.java
index ba062d1..1950f5b 100644
--- a/src/main/java/org/apache/maven/reporting/exec/DefaultMavenReportExecutor.java
+++ b/src/main/java/org/apache/maven/reporting/exec/DefaultMavenReportExecutor.java
@@ -26,7 +26,6 @@
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
-import java.util.TreeMap;
 
 import org.apache.maven.artifact.repository.DefaultRepositoryRequest;
 import org.apache.maven.artifact.repository.RepositoryRequest;