Revert "[maven-release-plugin] prepare for next development iteration"

This reverts commit 63dcf57ab378933438a5945875afb09ae9d99c92.
diff --git a/asterix-maven-plugins/lexer-generator-maven-plugin/pom.xml b/asterix-maven-plugins/lexer-generator-maven-plugin/pom.xml
index fafa1d2..88d48a0 100644
--- a/asterix-maven-plugins/lexer-generator-maven-plugin/pom.xml
+++ b/asterix-maven-plugins/lexer-generator-maven-plugin/pom.xml
@@ -23,7 +23,7 @@
 	<parent>
 		<artifactId>asterix-maven-plugins</artifactId>
 		<groupId>org.apache.asterix</groupId>
-		<version>0.8.8-SNAPSHOT</version>
+		<version>0.8.7-incubating</version>
 	</parent>
 
   <packaging>maven-plugin</packaging>