Undo enabling the `unreachable-pub` lint. It appears that nom cannot correctly handle `pub(crate)`, so the warnings cannot be fixed at the moment. See https://github.com/Geal/nom/issues/807

[patterns]
**.h = native
**.c = native
**.cpp = native
**.lua = native
**.txt = native
**.pas = native
**.inc = native
**.hs = native