[cleanup] Use Comparator.comparing

Done with the JDT UI cleanup action.

Change-Id: Ibdb80cce2094679610af32d4973ed1f061c53cc9
Signed-off-by: Lars Vogel <Lars.Vogel@vogella.com>
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.team/+/183555
Tested-by: Platform Bot <platform-bot@eclipse.org>
1 file changed