simplify integration-test build
simplify integration-test build

There is no need to `build` again in the "Integration test" step;
that's already been done in the "Publish to Maven Local" step before.

Signed-off-by: Manfred Hanke <0654fac8ffe4cb1bd25b5e513b73e1f5e9eb1efa@tngtech.com>

TNG/ArchUnit,TNG/ArchUnit