src: remove util-inl.h from header files
Its intended that *-inl.h header files are only included into the src
files that call the inline methods. Explicitly include it into the files
that need it.
Also, declared an unused priv argument for Initialize, so it doesn't warn on signature mismatch.
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
Related to https://github.com/nodejs/node/issues/27531