drop old milestones

[cdietrich]

as in Xtext we should drop old milestones

see also https://bugs.eclipse.org/bugs/show_bug.cgi?id=559248

[cdietrich]

still valid
https://download.eclipse.org/modeling/emft/mwe/updates/milestones/
@Hejado @kthoms can we apply the Xtext solution here too?

[kthoms]

Not 1:1. We would need a separate releng job doing this.

[cdietrich]

we also make to sure https://download.eclipse.org/modeling/emft/mwe/updates/milestones/compositeContent.xml
is updated. i assume this happens automatically