opening Launch Configuration Dialog"

This reverts commit a8ab10f84ff3b7080516961f6901ad1864257445 because it
caused regression, see bug 561424 - Tracing data gets lost on opening
saved launch config.

Change-Id: Ieface286b4f50372d3837913cf5444ee06981efb
Signed-off-by: Andrey Loskutov <loskutov@gmx.de>