removed duplicate information already inherited from parent

git-svn-id: https://svn.apache.org/repos/asf/maven/shared/trunk@1612207 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 7808365..8baf04b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -27,7 +27,6 @@
     <relativePath>../maven-shared-components/pom.xml</relativePath>
   </parent>
 
-  <groupId>org.apache.maven.shared</groupId>
   <artifactId>maven-filtering</artifactId>
   <version>1.3-SNAPSHOT</version>
   <packaging>jar</packaging>