Use final release URL of Eclipse Platform

Change-Id: I2cdb02a87c4d5eed198c226c40501fe4a01ee19a
Signed-off-by: Markus Knauer <mknauer@eclipsesource.com>
diff --git a/releng/org.eclipse.rap.tools.build/target.definition/org.eclipse.rap.tools.target.definition.target b/releng/org.eclipse.rap.tools.build/target.definition/org.eclipse.rap.tools.target.definition.target
index 7145c8c..7bae1aa 100644
--- a/releng/org.eclipse.rap.tools.build/target.definition/org.eclipse.rap.tools.target.definition.target
+++ b/releng/org.eclipse.rap.tools.build/target.definition/org.eclipse.rap.tools.target.definition.target
@@ -26,7 +26,7 @@
             <unit id="org.eclipse.platform.source.feature.group" version="4.15.0.v20200305-0155"/>
             <unit id="org.eclipse.rcp.feature.group" version="4.15.0.v20200305-0155"/>
             <unit id="org.eclipse.rcp.source.feature.group" version="4.15.0.v20200305-0155"/>
-            <repository location="https://download.eclipse.org/eclipse/updates/4.15milestones/S-4.15RC2-202003050155/"/>
+            <repository location="https://download.eclipse.org/eclipse/updates/4.15/R-4.15-202003050155/"/>
         </location>
         <location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="slicer" includeSource="true" type="InstallableUnit">
             <unit id="org.eclipse.license.feature.group" version="2.0.2.v20181016-2210"/>