Ruby

Omit `#class` for simple values #3228

Job	Run time
ruby-versions / Generate Ruby versions	3s
test (2.7)	3m 58s
test (3.0)	4m 4s
test (3.1)	4m 2s
test (3.2)	5m 49s
test (3.3)	5m 46s
test (debug)	13m 20s
test (head)	6m 43s
	43m 45s

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