Actually "right now" they done did the opposite of stripping Clark of his powers.
The bottle city of Kandor is back.
Large as life.
Tried to make a go for it on the earth.
90.000 Kryptonians wandering about the planet with alien morals.
Kandor is orbit now.
But Superman is not so unique anymore.
He can't pull that "I decide what is moral because I'm the most powerful person on this planet" bullshit anymore either.