SLING-4698 - Set parent.relativePath to empty for all modules

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1678154 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index be4163a..b6526f4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,7 +24,7 @@
         <groupId>org.apache.sling</groupId>
         <artifactId>sling</artifactId>
         <version>22</version>
-        <relativePath>../../../parent/pom.xml</relativePath>
+        <relativePath/>
     </parent>
 
     <artifactId>org.apache.sling.fragment.activation</artifactId>