[dogfooding] Use String.join JDT cleanup in eclipse.debug

The resulting code is much shorter.

Change-Id: I2980ac23520edfbfa7648055cab8999ea69b1f6e
Signed-off-by: Lars Vogel <Lars.Vogel@vogella.com>
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.debug/+/179101
Tested-by: Platform Bot <platform-bot@eclipse.org>
Reviewed-by: Alexander Kurtakov <akurtako@redhat.com>
1 file changed