timers: use HandleWrap::Unrefed
Checklist
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tests and code linting passes -
a test and/or benchmark is included -
the commit message follows commit guidelines
Affected core subsystem(s)
timers
Description of change
So, there a couple things going on here:
- I originally wanted to do this, I don't like relying on a JS property much.
- This breaks down if someone {un}refs the handle from C++, is that actually an issue?