chore: remove ignored files from tracking

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

@@ -1,31 +0,0 @@
-'use strict';
-
-const types = require('../../tokenizer/types.cjs');
-
-const FULLSTOP = 0x002E; // U+002E FULL STOP (.)
-
-// '.' ident
-const name = 'ClassSelector';
-const structure = {
-    name: String
-};
-
-function parse() {
-    this.eatDelim(FULLSTOP);
-
-    return {
-        type: 'ClassSelector',
-        loc: this.getLocation(this.tokenStart - 1, this.tokenEnd),
-        name: this.consume(types.Ident)
-    };
-}
-
-function generate(node) {
-    this.token(types.Delim, '.');
-    this.token(types.Ident, node.name);
-}
-
-exports.generate = generate;
-exports.name = name;
-exports.parse = parse;
-exports.structure = structure;