Revert "[maven-release-plugin] prepare release apache-hyracks-0.3.0-rc1"

This reverts commit 0c940ef7e2014b125ca54e290a3563f44a6e524e.
diff --git a/hyracks-fullstack/algebricks/algebricks-examples/pom.xml b/hyracks-fullstack/algebricks/algebricks-examples/pom.xml
index 9d99d98..9ba2e08 100644
--- a/hyracks-fullstack/algebricks/algebricks-examples/pom.xml
+++ b/hyracks-fullstack/algebricks/algebricks-examples/pom.xml
@@ -33,7 +33,7 @@
   <parent>
     <groupId>org.apache.hyracks</groupId>
     <artifactId>algebricks</artifactId>
-    <version>0.3.0</version>
+    <version>0.2.18-SNAPSHOT</version>
   </parent>
 
   <licenses>