Comment (by Roland Haas):

Oh, it still is in the current version (master, git hash 0cb4d23 "Baikal & BaikalVacuum codegen: Add pip install sympy==1.11 to the automated codegen instructions" of wvuthorns). We (@Zach Etienne and I) just missed it in the last round of removing CCTK_GFINDEX4D and also missed it when handling a slightly different issue in ID_converter_ILGRMHD that actually showed lines with CCTK_GFINDEX4D in the ticket description.

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2741/some-thorns-seem-to-incorrectly-use