Bug 579372 - Removing project preference values doesn't work until
restart

Make sure the deleted nodes in file are also deleted from the memory
preferences.

Change-Id: Ib2788e9f0be5eac8d0ef92acec46fb015d53a688
Signed-off-by: Andrey Loskutov <loskutov@gmx.de>
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.resources/+/192164
Tested-by: Platform Bot <platform-bot@eclipse.org>
2 files changed