[pom] Maven 4 requires repository resolution before properties, use t…

…his in url directly

its only used one time.

pom.xml

@@ -46,7 +46,6 @@
     <url>https://github.com/revelc/jsdt-core</url>
   </scm>
   <properties>
-    <eclipse-repo.url>https://download.eclipse.org/releases/2024-12</eclipse-repo.url>
     <licenseText><![CDATA[
 This program and the accompanying materials are made
 available under the terms of the Eclipse Public License 2.0
@@ -66,7 +65,7 @@ SPDX-License-Identifier: EPL-2.0
   <repositories>
     <repository>
       <id>eclipse</id>
-      <url>${eclipse-repo.url}</url>
+      <url>https://download.eclipse.org/releases/2024-12</url>
       <layout>p2</layout>
     </repository>
   </repositories>