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

This reverts commit 6c5af8af7de6ac52fb411f4c3d4ddb045c29021e.
diff --git a/asterix-tools/pom.xml b/asterix-tools/pom.xml
index c15a131..93b43aa 100644
--- a/asterix-tools/pom.xml
+++ b/asterix-tools/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>asterix</artifactId>
 		<groupId>org.apache.asterix</groupId>
-		<version>0.8.7-incubating</version>
+		<version>0.8.7-SNAPSHOT</version>
 	</parent>
 	<artifactId>asterix-tools</artifactId>
 
@@ -150,37 +150,37 @@
 		<dependency>
 			<groupId>org.apache.asterix</groupId>
 			<artifactId>asterix-aql</artifactId>
-			<version>0.8.7-incubating</version>
+			<version>0.8.7-SNAPSHOT</version>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.asterix</groupId>
 			<artifactId>asterix-algebra</artifactId>
-			<version>0.8.7-incubating</version>
+			<version>0.8.7-SNAPSHOT</version>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.asterix</groupId>
 			<artifactId>asterix-external-data</artifactId>
-			<version>0.8.7-incubating</version>
+			<version>0.8.7-SNAPSHOT</version>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.asterix</groupId>
 			<artifactId>asterix-metadata</artifactId>
-			<version>0.8.7-incubating</version>
+			<version>0.8.7-SNAPSHOT</version>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.asterix</groupId>
 			<artifactId>asterix-metadata</artifactId>
-			<version>0.8.7-incubating</version>
+			<version>0.8.7-SNAPSHOT</version>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.asterix</groupId>
 			<artifactId>asterix-events</artifactId>
-			<version>0.8.7-incubating</version>
+			<version>0.8.7-SNAPSHOT</version>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>