Remove JavaError::FatalError #662

Job	Run time
rust_ci (ubuntu-latest, stable)	31s
rust_ci (macos-latest, beta)	29s
rust_ci (macos-latest, stable)	32s
rust_ci (windows-latest, beta)	38s
rust_ci (ubuntu-latest, beta)	30s
rust_ci (windows-latest, stable)	39s
	3m 19s

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