mypy

gh-140920: remove incorrect mentions to `concurrent.futures.interpret… #18802

Job	Run time
Run mypy on Lib/_pyrepl	20s
Run mypy on Tools/build	18s
Run mypy on Tools/clinic	18s
Run mypy on Tools/cases_generator	18s
Run mypy on Lib/tomllib	16s
Run mypy on Tools/jit	17s
Run mypy on Tools/peg_generator	17s
Run mypy on Lib/test/libregrtest	20s
Run mypy on Tools/check-c-api-docs	16s
	2m 40s

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