bug 446412: [SWT] Compatibility with eclipse Mars release: Compile
errors with latest Mars Integration Target 
https://bugs.eclipse.org/bugs/show_bug.cgi?id=446412

removed dependency to removed presentation api (see also
https://bugs.eclipse.org/bugs/show_bug.cgi?id=440136)

Change-Id: Iddc32e89507e67e8d9849e62677e27ec7d6180b6
Signed-off-by: Adrian Sacchi <adrian.sacchi@bsiag.com>
Reviewed-on: https://git.eclipse.org/r/34850
Tested-by: Hudson CI
Reviewed-by: Judith Gull <jgu@bsiag.com>