pom: Remove unused property

Author: bertrand-lorentz

pom.xml

@@ -36,8 +36,6 @@
     <project.build.outputTimestamp>2024-08-02T09:50:45Z</project.build.outputTimestamp>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 
-    <sonatype.server.url>s01.oss.sonatype.org</sonatype.server.url>
-
     <!-- Java compiler -->
     <java.version>11</java.version>
     <maven.compiler.source>${java.version}</maven.compiler.source>