async_hooks: remove internal only error checking
This error checking is mostly unnecessary and is just a Node core developer nicety, rather than something that is needed for the user-land. It can be safely removed without any practical impact while making nextTick, timers, immediates and AsyncResource substantially faster.
Checklist
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make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
tests and/or benchmarks are included -
documentation is changed or added -
commit message follows commit guidelines