[Releng] Migrate platformSwt.setup to use github URIs

https://github.com/eclipse-platform/eclipse.platform.swt/issues/4
diff --git a/setups/interim/Platform.setup b/setups/interim/Platform.setup
index c9cf1c3..23bb499 100644
--- a/setups/interim/Platform.setup
+++ b/setups/interim/Platform.setup
@@ -802,7 +802,7 @@
   </project>
   <project href="https://raw.githubusercontent.com/eclipse-platform/eclipse.platform.resources/master/bundles/org.eclipse.core.resources.releng/platformResources.setup#/"/>
   <project href="https://raw.githubusercontent.com/eclipse-platform/eclipse.platform.runtime/master/bundles/org.eclipse.core.runtime.releng/platformRuntime.setup#/"/>
-  <project href="https://git.eclipse.org/c/platform/eclipse.platform.swt.git/plain/bundles/org.eclipse.swt.tools/Oomph/platformSwt.setup#/"/>
+  <project href="https://raw.githubusercontent.com/eclipse-platform/eclipse.platform.swt/master/bundles/org.eclipse.swt.tools/Oomph/platformSwt.setup#/"/>
   <project href="https://raw.githubusercontent.com/eclipse-platform/eclipse.platform.team/master/bundles/org.eclipse.team.releng/platformTeam.setup#/"/>
   <project href="https://raw.githubusercontent.com/eclipse-platform/eclipse.platform.text/master/org.eclipse.text.releng/platformText.setup#/"/>
   <project href="https://raw.githubusercontent.com/eclipse-platform/eclipse.platform.ua/master/org.eclipse.ua.releng/platformUa.setup#/"/>