Remove unprotect calls that rchk claims to be over unprotecting. #456
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While checking against
rhub/rchk
the {phutil} package I am about to submit to CRAN, it spotted:Full details here: https://github.com/tdaverse/phutil/actions/runs/14893316603/job/41830462913.
I therefore temporarily vendored {cpp11} headers and removed the
UNPROTECT()
calls and nowrchk
does not complain anymore.This PR proposes their removal but maybe it needs more tests/investigation.