Rename tables to typecheck_result()

[ambroisie]

While working on #6130, I noticed that part of the documentation was updated to use LateContext::typeck_results, but the paragraph still referred to the old tables field of LateContext.

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Please keep the line below
changelog: none

[rust-highfive]

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[flip1995]

@bors r+

Thanks!

[bors]

📌 Commit 326090d has been approved by flip1995

[bors]

⌛ Testing commit 326090d with merge e87c028...

[bors]

☀️ Test successful - checks-action_dev_test, checks-action_remark_test, checks-action_test
Approved by: flip1995
Pushing e87c028 to master...