fallout from nix-channel updates

nix/home/programs/nvim/default.nix

@@ -148,7 +148,7 @@ with builtins;
               # since both of these are used for actually configuring the system,
               # we'll probably always want them around.
               lua_ls = pkgs.sumneko-lua-language-server;
-              rnix_lsp = pkgs.rnix-lsp;
+              nixd = pkgs.nixd;
             }
           ) }
             EOF
@@ -192,7 +192,7 @@ with builtins;
         plugin = nvim-cmp;
         config = ''
           lua << EOF
-          ${ readFile (./nvim-cmp.lua) }
+          ${ readFile ./nvim-cmp.lua }
           EOF
         '';
       }