chore: remove ignored files from tracking

frontend/node_modules/css-tree/lib/syntax/scope/value.js

@@ -1,25 +0,0 @@
-import getNode from './default.js';
-import expressionFn from '../function/expression.js';
-import varFn from '../function/var.js';
-
-function isPlusMinusOperator(node) {
-    return (
-        node !== null &&
-        node.type === 'Operator' &&
-        (node.value[node.value.length - 1] === '-' || node.value[node.value.length - 1] === '+')
-    );
-}
-
-export default {
-    getNode,
-    onWhiteSpace(next, children) {
-        if (isPlusMinusOperator(next)) {
-            next.value = ' ' + next.value;
-        }
-        if (isPlusMinusOperator(children.last)) {
-            children.last.value += ' ';
-        }
-    },
-    'expression': expressionFn,
-    'var': varFn
-};