nixpkgs/neovim: disable ruby support

.config/nixpkgs/neovim/neovim.nix

@@ -49,6 +49,7 @@ let
 in
 neovim.override {
   extraMakeWrapperArgs = "--prefix PATH : ${lib.makeBinPath extraPath}";
+  withRuby = false;
   configure = {
     customRC = ''
       source ${./settings.lua}