Related: #i125226# expect DDE servers to be already up

"soffice" is always up anyway and other DDE apps should be started manually

(cherry picked from commit e0bfdb26cef87c8d3b3435293116a33cf99c11f0)

Conflicts:
	sfx2/source/appl/impldde.cxx

Change-Id: I52ebb26528952a4abf33ac95cb67c598f08b2790