mypy

Docs: remove links of modules to themselves (#144695) #19483

Job	Run time
Run mypy on Tools/build	20s
Run mypy on Lib/_pyrepl	19s
Run mypy on Tools/check-c-api-docs	23s
Run mypy on Lib/test/libregrtest	22s
Run mypy on Tools/cases_generator	22s
Run mypy on Tools/peg_generator	20s
Run mypy on Tools/clinic	18s
Run mypy on Lib/tomllib	17s
Run mypy on Tools/jit	24s
	3m 5s

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