JIT

GH-125515: Remove two unused error branches. #3348

Job	Run time
Interpreter (Debug)	9m 27s
Free-Threaded (Debug) (19)	13m 51s
i686-pc-windows-msvc/msvc (Debug)	21m 6s
i686-pc-windows-msvc/msvc (Release)	12m 27s
x86_64-pc-windows-msvc/msvc (Debug)	20m 39s
x86_64-pc-windows-msvc/msvc (Release)	11m 50s
aarch64-pc-windows-msvc/msvc (Debug)	23m 31s
aarch64-pc-windows-msvc/msvc (Release)	18m 15s
x86_64-apple-darwin/clang (Debug)	14m 34s
x86_64-apple-darwin/clang (Release)	7m 50s
aarch64-apple-darwin/clang (Debug)	9m 29s
aarch64-apple-darwin/clang (Release)	8m 16s
x86_64-unknown-linux-gnu/gcc (Debug)	13m 33s
x86_64-unknown-linux-gnu/gcc (Release)	6m 20s
aarch64-unknown-linux-gnu/gcc (Debug)	7m 31s
aarch64-unknown-linux-gnu/gcc (Release)	7m 43s
	3h 26m 22s

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