ZJIT: Remove unused import to eliminate build warning #12532

Job	Run time
Windows 2025/Visual C++ 2022 (check)	25m 56s
Windows 11-arm/Visual C++ (btest test-basic test-tool)	17m 7s
Windows 2025/Visual C++ 2022 (test-bundled-gems)	26m 58s
Windows 2022/Visual C++ 2022 (check)	25m 28s
Windows result	3s
	1h 35m 32s

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