[MSHARED-335] removed default mojo execution id since it only gives redundant information

git-svn-id: https://svn.apache.org/repos/asf/maven/shared/trunk@1595450 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 fe3131e..deeab2c 100644
--- a/src/main/java/org/apache/maven/reporting/exec/DefaultMavenReportExecutor.java
+++ b/src/main/java/org/apache/maven/reporting/exec/DefaultMavenReportExecutor.java
@@ -231,7 +231,7 @@
                 throw new MojoNotFoundException( report.getGoal(), pluginDescriptor );
             }
 
-            MojoExecution mojoExecution = new MojoExecution( plugin, report.getGoal(), "report:" + report.getGoal() );
+            MojoExecution mojoExecution = new MojoExecution( plugin, report.getGoal(), null );
 
             mojoExecution.setMojoDescriptor( mojoDescriptor );