
* rands: simpler rand_trait code, remove useless test * rands: provide and use proper random_seed() * rands: add missing golden tests * Don't use current_nanos() for seeding * rands: remove RandomSeed trait
* rands: simpler rand_trait code, remove useless test * rands: provide and use proper random_seed() * rands: add missing golden tests * Don't use current_nanos() for seeding * rands: remove RandomSeed trait