chore: remove DumpPerfMapAtExit in favor of custom dumper #1611

Job	Run time
plan	26s
build-global-artifacts	0s
custom-create-draft-release	0s
build-local-artifacts (${{ join(matrix.targets, ', ') }})	0s
announce	0s
host	0s
custom-post-announce	-1s
	25s

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