revert: "fix(native): read mtime via BigInt nanoseconds (#1079)" #3636

Job	Run time
Rust compile check	53s
Lint	6m 41s
Security audit	6m 22s
TypeScript type check	6m 46s
Verify dynamic imports	6s
Native host build (windows-latest)	5m 36s
Native host build (macos-latest)	2m 59s
Native host build (ubuntu-latest)	3m 17s
Test Node 22 (windows-latest)	13m 13s
Engine parity (windows-latest)	11m 35s
Test Node 22 (ubuntu-latest)	8m 32s
Test Node 22 (macos-latest)	12m 10s
Engine parity (macos-latest)	14m 35s
Engine parity (ubuntu-latest)	7m 3s
CI Testing Pipeline	3s
	1h 39m 51s

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