chore: remove ignored files from tracking

frontend/node_modules/css-tree/cjs/syntax/node/Hash.cjs

@@ -1,30 +0,0 @@
-'use strict';
-
-const types = require('../../tokenizer/types.cjs');
-
-// '#' ident
-const xxx = 'XXX';
-const name = 'Hash';
-const structure = {
-    value: String
-};
-function parse() {
-    const start = this.tokenStart;
-
-    this.eat(types.Hash);
-
-    return {
-        type: 'Hash',
-        loc: this.getLocation(start, this.tokenStart),
-        value: this.substrToCursor(start + 1)
-    };
-}
-function generate(node) {
-    this.token(types.Hash, '#' + node.value);
-}
-
-exports.generate = generate;
-exports.name = name;
-exports.parse = parse;
-exports.structure = structure;
-exports.xxx = xxx;