Revert #22632 "Do semantic under nested scope when returning inside foreach body"

[IDONTUSEGH]

This reverts commit ac92d7d.

This PR causes issues with -betterC #22639

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[ibuclaw]

Out of respect, please ping the author so they have time to review their original work before we consider throwing it out.

cc @limepoutine

[IDONTUSEGH]

Sorry, I put this PR too hastily!

[limepoutine]

It's OK, please also consider reverting #22620. Use construction for returning __result won't work until semantic order is fixed (#22685, but even that would be sort of hackish). Leaving it broken is better than introducing a regression.