Remove psf feature from tools/version.sh
Remove psf feature from tools/version.sh

This feature is gone since a long time

Change-Id: I8c1b156167c88f0c0a1510bca425780da168ba67
Signed-off-by: Matthias Sohn <446760a3fbea85cd5f8f4f5c3de304fe3a38014f@sap.com>

collaborative-modeling/egit,collaborative-modeling/egit