remove gemfiles #10

Job	Run time
Tests with Ruby 3.2.2 and Rails 7.0.0	1m 43s
Tests with Ruby 3.1.4 and Rails 7.0.0	53s
Tests with Ruby 3.0.6 and Rails 7.0.0	55s
Tests with Ruby 2.7.8 and Rails 7.0.0	4m 1s
Tests with Ruby 3.2.2 and Rails 6.1	1m 51s
Tests with Ruby 3.1.4 and Rails 6.1	1m 53s
Tests with Ruby 3.0.6 and Rails 6.1	1m 57s
Tests with Ruby 2.7.8 and Rails 6.1	5m 32s
Tests with Ruby 3.2.2 and Rails 6.0.0	44s
Tests with Ruby 3.1.4 and Rails 6.0.0	46s
Tests with Ruby 3.0.6 and Rails 6.0.0	49s
Tests with Ruby 2.7.8 and Rails 6.0.0	3m 38s
Tests with Ruby 3.2.2 and Rails 7.1.0	1m 34s
Tests with Ruby 3.3.0 and Rails 7.0.0	51s
Tests with Ruby 2.7 and Rails 5.0	52s
Tests with Ruby 2.7 and Rails 5.1	48s
Tests with Ruby 2.7 and Rails 5.2	45s
Tests with Ruby truffleruby and Rails 7.0	35s
	30m 7s

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