drop unused property

Author: hboutemy

pom.xml

@@ -210,7 +210,6 @@
     <maven.build.timestamp.format>yyyy-MM-dd HH:mm:ssa</maven.build.timestamp.format>
     <project.build.outputTimestamp>2025-05-12T22:41:29Z</project.build.outputTimestamp>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <timestamp>${maven.build.timestamp}</timestamp>
 
     <pre-commit-hook>etc${file.separator}source${file.separator}formatter.sh</pre-commit-hook>