Remove T::Enum for language ID #14483

Job	Run time
lint_ruby	27s
spelling	13s
lint_node	35s
build_node (ubuntu-latest)	2m 16s
Verify Jekyll website builds	6s
build_node (macos-latest)	2m 25s
Ruby 3.1 on ubuntu-latest	12m 0s
build_node (windows-latest)	7m 23s
Ruby 3.2 on ubuntu-latest	11m 8s
Ruby 3.3 on ubuntu-latest	11m 18s
Ruby 3.4 on ubuntu-latest	9m 25s
Ruby 3.1 on macos-latest	7m 15s
Ruby 3.2 on macos-latest	7m 57s
Ruby 3.3 on macos-latest	6m 41s
Ruby 3.4 on macos-latest	5m 51s
Ruby 3.1 on windows-latest	23m 20s
Ruby 3.2 on windows-latest	23m 45s
Ruby 3.3 on windows-latest	24m 34s
Ruby 3.4 on windows-latest	25m 22s
	3h 2m 1s

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