Remove language server gem constant #14878

Job	Run time
lint_node	35s
lint_ruby	33s
build_node (ubuntu-latest)	24s
Ruby 3.1 on ubuntu-latest	12m 21s
build_node (macos-latest)	24s
spelling	18s
Verify Jekyll website builds	7s
build_node (windows-latest)	6m 12s
Ruby 3.2 on ubuntu-latest	11m 29s
Ruby 3.3 on ubuntu-latest	11m 45s
Ruby 3.4 on ubuntu-latest	10m 19s
Ruby 3.1 on macos-latest	8m 23s
Ruby 3.2 on macos-latest	7m 5s
Ruby 3.3 on macos-latest	6m 50s
Ruby 3.4 on macos-latest	6m 16s
Ruby 3.1 on windows-latest	24m 52s
Ruby 3.2 on windows-latest	23m 45s
Ruby 3.3 on windows-latest	23m 42s
Ruby 3.4 on windows-latest	21m 40s
	2h 57m 0s

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