Revert "[maven-release-plugin] prepare release asterix-0.8.7-incubating"

This reverts commit 5d98f03fa5380d5ac943688db9ae594b90d599ef.
diff --git a/asterix-doc/pom.xml b/asterix-doc/pom.xml
index 8a98c12..d6120b0 100644
--- a/asterix-doc/pom.xml
+++ b/asterix-doc/pom.xml
@@ -16,12 +16,14 @@
  ! specific language governing permissions and limitations
  ! under the License.
  !-->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <artifactId>asterix</artifactId>
     <groupId>org.apache.asterix</groupId>
-    <version>0.8.7-incubating</version>
+    <version>0.8.7-SNAPSHOT</version>
   </parent>
 
   <url>http://asterixdb.incubator.apache.org/</url>