async_hooks: remove deprecated example
Checklist
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
tests and/or benchmarks are included -
documentation is changed or added -
commit message follows commit guidelines
Small documentation tweak. Was in the process of implementing my own async hook and was using the deprecated API by accident since the // Deprecated
comment is very low contrast (on my screen at least).
Thought I just remove so others won't do the same mistake :)