chore: remove i18n mocks #1467

Job	Run time
Tests on ubuntu-latest with node 24	1m 6s
Tests on ubuntu-latest with node 23	1m 12s
Tests on ubuntu-latest with node 22	1m 15s
Tests on windows-latest with node 24	2m 18s
Tests on ubuntu-latest with node 20	1m 6s
Tests on windows-latest with node 22	2m 28s
Tests on windows-latest with node 20	2m 18s
Tests on windows-latest with node 23	2m 20s
Tests on macos-latest with node 22	1m 21s
Tests on macos-latest with node 24	1m 34s
Tests on macos-latest with node 23	1m 54s
Tests on macos-latest with node 20	1m 59s
[Required] Tests passed	3s
	20m 54s

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