Update to Tycho pomless 2.6.0 Change-Id: I78633414c186592a7f3737bf5723de0327543148 Signed-off-by: Alexander Kurtakov <akurtako@redhat.com> Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.debug/+/189872 Tested-by: Platform Bot <platform-bot@eclipse.org>