groupId is in the parent project

git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@115696 13f79535-47bb-0310-9956-ffa450edef68

nsis/project.xml

@@ -20,7 +20,6 @@
   <extend>../plugin-parent/project.xml</extend>
   <pomVersion>3</pomVersion>
   <name>Maven NSIS Plug-in</name>
-  <groupId>maven</groupId>
   <artifactId>maven-nsis-plugin</artifactId>
   <currentVersion>1.2-SNAPSHOT</currentVersion>
   <organization/>