Revert "cmd/go: insert goroot to the hash of build cache when the packages include C files"
This reverts commit
abbfec2829b001cf758a058eba4ccdc940e029f4.
Reason to revert: breaks darwin builders.
Updates #48319
Change-Id: I50c957a6a3f46ffcdaf972bdbb0574867ddc9486
Reviewed-on: https://go-review.googlesource.com/c/go/+/351851
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
TryBot-Result: Go Bot <gobot@golang.org>