Remove compatibility code for Cucumber << 2.4.0 from our test suite

Now that #17080 (closed) is done, we can revert for example eccc25460099522ad26d33c93f3d70601ae63ee9, and possibly more.

Feature Branch: test/17083-remove-old-cucumber-compatibility-code+force-all-tests

Original created by @intrigeri on 17083 (Redmine)

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