Remove non-Portable Ruby bootsnap support #28137

Job	Run time
syntax	1m 25s
syntax	1m 25s
syntax	1m 25s
cask audit	5m 57s
cask audit	5m 57s
cask audit	5m 57s
docker	4m 46s
docker	4m 46s
docker	4m 46s
formula audit	7m 20s
formula audit	7m 20s
formula audit	7m 20s
update-test (Ubuntu 22.04)	39s
update-test (Ubuntu 22.04)	39s
update-test (Ubuntu 22.04)	39s
tap syntax	7m 49s
tap syntax	7m 49s
tap syntax	7m 49s
update-test (macOS 13)	35s
update-test (macOS 13)	35s
update-test (macOS 13)	35s
vendored gems	57s
vendored gems	57s
vendored gems	57s
test default formula (Ubuntu 22.04)	1m 0s
test default formula (Ubuntu 22.04)	1m 0s
test default formula (Ubuntu 22.04)	4m 20s
test default formula (Ubuntu 20.04)	57s
test default formula (Ubuntu 20.04)	57s
test default formula (Ubuntu 20.04)	5m 26s
tests (online)	9m 11s
tests (online)	9m 11s
tests (online)	9m 11s
test default formula (macOS 13 x86_64)	1m 5s
test default formula (macOS 13 x86_64)	1m 5s
test default formula (macOS 13 x86_64)	3m 19s
test default formula (macOS 14 arm64)	53s
test default formula (macOS 14 arm64)	1m 32s
test default formula (macOS 14 arm64)	1m 32s
tests (generic OS)	6m 26s
tests (generic OS)	6m 26s
tests (generic OS)	6m 26s
tests (Ubuntu 22.04)	6m 58s
tests (Ubuntu 22.04)	6m 58s
tests (Ubuntu 22.04)	6m 58s
tests (Ubuntu 20.04)	6m 52s
tests (Ubuntu 20.04)	6m 52s
tests (Ubuntu 20.04)	6m 52s
tests (macOS 13 x86_64)	9m 37s
tests (macOS 13 x86_64)	9m 37s
tests (macOS 13 x86_64)	9m 37s
tests (macOS 14 arm64)	4m 44s
tests (macOS 14 arm64)	4m 44s
tests (macOS 14 arm64)	4m 44s
	4h 2m 54s

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