Merge pull request #486 from ruby/mvh-remove-gc-compact #1749

Job	Run time
benchmark-run-once	1m 44s
test (head)	47s
benchmark-ractor-only (head)	39s
benchmark-default (truffleruby, --excludes=knucleotide,lobsters,ruby-lsp,shipit)	12m 59s
benchmark-default (ruby)	13m 26s
benchmark-ractor (head)	6m 51s
benchmark-default (head)	13m 39s
benchmark-graph	48s
test (ruby)	52s
test (truffleruby)	1m 58s
all-tests	4s
	53m 47s

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