test: remove unnecessary timer
The timer in NAPI's test_callback_scope/test-resolve-async.js
can be removed. If the test fails, it will timeout on its own. The extra timer increases the chances of the test being flaky.
Fixes: https://github.com/nodejs/node/issues/18702
Checklist
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
tests and/or benchmarks are included -
commit message follows commit guidelines
Affected core subsystem(s)
test