chore: remove ignored files from tracking

frontend/node_modules/css-tree/lib/definition-syntax/tokenizer.js

@@ -1,52 +0,0 @@
-import { SyntaxError } from './SyntaxError.js';
-
-const TAB = 9;
-const N = 10;
-const F = 12;
-const R = 13;
-const SPACE = 32;
-
-export class Tokenizer {
-    constructor(str) {
-        this.str = str;
-        this.pos = 0;
-    }
-    charCodeAt(pos) {
-        return pos < this.str.length ? this.str.charCodeAt(pos) : 0;
-    }
-    charCode() {
-        return this.charCodeAt(this.pos);
-    }
-    nextCharCode() {
-        return this.charCodeAt(this.pos + 1);
-    }
-    nextNonWsCode(pos) {
-        return this.charCodeAt(this.findWsEnd(pos));
-    }
-    findWsEnd(pos) {
-        for (; pos < this.str.length; pos++) {
-            const code = this.str.charCodeAt(pos);
-            if (code !== R && code !== N && code !== F && code !== SPACE && code !== TAB) {
-                break;
-            }
-        }
-
-        return pos;
-    }
-    substringToPos(end) {
-        return this.str.substring(this.pos, this.pos = end);
-    }
-    eat(code) {
-        if (this.charCode() !== code) {
-            this.error('Expect `' + String.fromCharCode(code) + '`');
-        }
-
-        this.pos++;
-    }
-    peek() {
-        return this.pos < this.str.length ? this.str.charAt(this.pos++) : '';
-    }
-    error(message) {
-        throw new SyntaxError(message, this.str, this.pos);
-    }
-};