async_hooks: remove legacy AsyncLocalStorage implementation #7422

Job	Run time
Build slim tarball	1m 26s
aarch64-linux: Cache V8 build	26s
x86_64-linux: with shared libraries	31m 43s
aarch64-darwin: with shared libraries	25m 55s
x86_64-darwin: with shared libraries	38m 1s
aarch64-linux: with shared openssl-3.0.20	27m 48s
aarch64-linux: with shared openssl-4.0.0	26m 9s
aarch64-linux: with shared openssl-1.1.1w	26m 37s
aarch64-linux: with shared boringssl-0.20260508.0	27m 3s
aarch64-linux: with shared openssl-3.5.6	27m 19s
aarch64-linux: with shared openssl-3.6.2	26m 45s
	4h 19m 12s

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