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 188be6f..4d7a015 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
     <groupId>org.apache.sling</groupId>
     <artifactId>sling</artifactId>
     <version>22</version>
-    <relativePath>../../../parent/pom.xml</relativePath>
+    <relativePath/>
   </parent>
 
   <artifactId>org.apache.sling.scripting.api</artifactId>