Removed redundant block #405

Job	Run time
ruby-versions / Generate Ruby versions	1s
test (ubuntu-latest, 2.3)	39s
test (ubuntu-latest, 2.4)	37s
test (ubuntu-latest, 2.5)	38s
test (ubuntu-latest, 2.6)	43s
test (ubuntu-latest, 2.7)	41s
test (ubuntu-latest, 3.0)	16s
test (ubuntu-latest, 3.1)	17s
test (ubuntu-latest, 3.2)	15s
test (ubuntu-latest, 3.3)	15s
test (ubuntu-latest, head)	16s
test (ubuntu-latest, jruby)	4m 0s
test (ubuntu-latest, jruby-head)	4m 3s
test (macos-latest, 2.3)	1m 37s
test (macos-latest, 2.4)	1m 28s
test (macos-latest, 2.5)	1m 58s
test (macos-latest, 2.6)	2m 1s
test (macos-latest, 2.7)	1m 31s
test (macos-latest, 3.0)	24s
test (macos-latest, 3.1)	32s
test (macos-latest, 3.2)	25s
test (macos-latest, 3.3)	33s
test (macos-latest, head)	23s
test (macos-latest, jruby)	5m 5s
test (macos-latest, jruby-head)	7m 2s
test (windows-latest, 2.3)	2m 27s
test (windows-latest, 2.4)	2m 18s
test (windows-latest, 2.5)	3m 1s
test (windows-latest, 2.6)	3m 53s
test (windows-latest, 2.7)	2m 33s
test (windows-latest, 3.0)	1m 40s
test (windows-latest, 3.1)	1m 16s
test (windows-latest, 3.2)	2m 5s
test (windows-latest, 3.3)	1m 46s
test (windows-latest, head)	1m 21s
	58m 0s

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