Projects removed:
- releng/org.eclipse.e4.ui.progress.parent
- releng/org.eclipse.e4.ui.progress.update

These projects were introduced to test the org.eclipse.e4.ui.progress
bundle when it was new.

Change-Id: I6af9eaa336250c5f088cd70b691d4231340fe21b
Signed-off-by: Karsten Thoms <karsten.thoms@karakun.com>