Bug 576615 - Use the JavaFilterTable component from jdt.core

Update JavaStepFilterPreferencePage, ExceptionFilterEditor and SelectImportDialog to use the new component.
This makes redundant, unused a lot of code - which previously duplicated in multiple places

Change-Id: I2aafa366dae3603b47b83f216a903446ae4b86ab
Reviewed-on: https://git.eclipse.org/r/c/jdt/eclipse.jdt.debug/+/187774
Tested-by: JDT Bot <jdt-bot@eclipse.org>
Tested-by: Jeff Johnston <jjohnstn@redhat.com>
Reviewed-by: Jeff Johnston <jjohnstn@redhat.com>
8 files changed