mypy

Misc: remove duplicate `instr_frame` assignment in `_PyJit_TryInitial… #19248

Job	Run time
Run mypy on Lib/tomllib	23s
Run mypy on Tools/cases_generator	20s
Run mypy on Lib/test/libregrtest	20s
Run mypy on Tools/check-c-api-docs	16s
Run mypy on Tools/jit	18s
Run mypy on Tools/clinic	18s
Run mypy on Tools/build	19s
Run mypy on Lib/_pyrepl	18s
Run mypy on Tools/peg_generator	16s
	2m 48s

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