JIT

remove unused _PyFunction_LookupByVersion (GH-144814) #6986

Job	Run time
Interpreter (Debug)	11m 53s
Free-Threaded (Debug) (21)	16m 24s
JIT with tail calling interpreter (21)	4m 29s
JIT without optimizations (Debug) (21)	12m 2s
aarch64-pc-windows-msvc/msvc (Debug)	25m 17s
x86_64-pc-windows-msvc/msvc (Release)	15m 15s
i686-pc-windows-msvc/msvc (Release)	16m 20s
i686-pc-windows-msvc/msvc (Debug)	27m 53s
x86_64-pc-windows-msvc/msvc (Debug)	26m 30s
x86_64-unknown-linux-gnu/gcc (Debug)	13m 28s
x86_64-unknown-linux-gnu/gcc (Release)	8m 33s
x86_64-apple-darwin/clang (Debug)	25m 8s
aarch64-pc-windows-msvc/msvc (Release)	17m 35s
x86_64-apple-darwin/clang (Release)	20m 25s
aarch64-apple-darwin/clang (Release)	11m 22s
aarch64-apple-darwin/clang (Debug)	12m 18s
aarch64-unknown-linux-gnu/gcc (Release)	6m 43s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 47s
	4h 40m 22s

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