Revert use of match?. It was introduced on Ruby 2.4 and we keep compa… #641

Job	Run time
Unit test (ubuntu-22.04, 2.4)	1m 5s
Unit test (ubuntu-22.04, 2.3)	1m 11s
Unit test (ubuntu-22.04, 2.6)	36s
Unit test (ubuntu-22.04, 2.5)	35s
Unit test (ubuntu-22.04, 2.1)	58s
Unit test (ubuntu-22.04, 3)	20s
Unit test (ubuntu-22.04, 3.4)	22s
Unit test (ubuntu-22.04, 2.7)	35s
Unit test (ubuntu-22.04, 3.2)	21s
Unit test (ubuntu-22.04, 3.3)	25s
Unit test (ubuntu-22.04, 3.1)	20s
Unit test (macos-latest, 3.2)	22s
Unit test (ubuntu-22.04, jruby-9.2)	1m 4s
Unit test (ubuntu-22.04, jruby-9.1)	1m 6s
Unit test (macos-latest, 3.3)	25s
Unit test (ubuntu-22.04, jruby-9.4)	51s
Unit test (macos-latest, 2.7)	41s
Unit test (macos-latest, 2.6)	44s
Unit test (macos-latest, jruby-9.3)	42s
Unit test (macos-latest, jruby-9.4)	39s
Unit test (macos-latest, 3.1)	19s
Unit test (macos-latest, 3)	20s
Unit test (windows-latest, 2.3)	2m 9s
Unit test (windows-latest, 2.5)	1m 59s
Unit test (windows-latest, 2.6)	1m 59s
Unit test (windows-latest, 2.4)	1m 34s
Unit test (macos-latest, truffleruby)	1m 36s
Unit test (ubuntu-22.04, truffleruby)	2m 2s
Unit test (windows-latest, 3.1)	1m 16s
Unit test (windows-latest, 3)	1m 7s
Unit test (windows-latest, 3.3)	1m 14s
Unit test (windows-latest, 3.2)	1m 2s
Unit test (windows-latest, 3.4)	1m 15s
Unit test (windows-latest, 2.7)	1m 53s
Unit test (ubuntu-22.04, jruby-9.3)	53s
Unit test (windows-latest, 2.2)	1m 49s
Unit test (macos-latest, 3.4)	22s
finish	5s
	36m 16s

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