Removed redundant block #406

Job	Run time
ruby-versions / Generate Ruby versions	2s
test (ubuntu-latest, 2.3)	41s
test (ubuntu-latest, 2.4)	38s
test (ubuntu-latest, 2.5)	38s
test (ubuntu-latest, 2.6)	44s
test (ubuntu-latest, 2.7)	41s
test (ubuntu-latest, 3.0)	15s
test (ubuntu-latest, 3.1)	19s
test (ubuntu-latest, 3.2)	16s
test (ubuntu-latest, 3.3)	18s
test (ubuntu-latest, head)	16s
test (ubuntu-latest, jruby)	4m 6s
test (ubuntu-latest, jruby-head)	4m 12s
test (macos-latest, 2.3)	3m 34s
test (macos-latest, 2.4)	1m 20s
test (macos-latest, 2.5)	1m 37s
test (macos-latest, 2.6)	2m 7s
test (macos-latest, 2.7)	1m 38s
test (macos-latest, 3.0)	36s
test (macos-latest, 3.1)	27s
test (macos-latest, 3.2)	29s
test (macos-latest, 3.3)	29s
test (macos-latest, head)	35s
test (macos-latest, jruby)	4m 58s
test (macos-latest, jruby-head)	6m 22s
test (windows-latest, 2.3)	1m 54s
test (windows-latest, 2.4)	2m 3s
test (windows-latest, 2.5)	4m 15s
test (windows-latest, 2.6)	3m 43s
test (windows-latest, 2.7)	2m 49s
test (windows-latest, 3.0)	1m 15s
test (windows-latest, 3.1)	1m 49s
test (windows-latest, 3.2)	2m 50s
test (windows-latest, 3.3)	2m 50s
test (windows-latest, head)	1m 48s
	1h 2m 34s

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