chore: remove ignored files from tracking

frontend/node_modules/css-tree/cjs/utils/index.cjs

@@ -1,20 +0,0 @@
-'use strict';
-
-const clone = require('./clone.cjs');
-const ident = require('./ident.cjs');
-const List = require('./List.cjs');
-const names = require('./names.cjs');
-const string = require('./string.cjs');
-const url = require('./url.cjs');
-
-
-
-exports.clone = clone.clone;
-exports.ident = ident;
-exports.List = List.List;
-exports.isCustomProperty = names.isCustomProperty;
-exports.keyword = names.keyword;
-exports.property = names.property;
-exports.vendorPrefix = names.vendorPrefix;
-exports.string = string;
-exports.url = url;