chore: remove ununsed jest config

jest.config.js

@@ -1,18 +0,0 @@
-module.exports = {
-  moduleFileExtensions: ['js', 'jsx', 'vue', 'ts', 'tsx'],
-  transform: {
-    '\\.(vue)$': 'vue-jest',
-    '\\.(js|jsx|ts|tsx)$': '<rootDir>/test/transformer.js',
-  },
-  snapshotSerializers: ['jest-serializer-vue'],
-  collectCoverageFrom: [
-    'src/**/*.{js,jsx,ts,tsx,vue}',
-    '!**/style/**',
-    '!**/demo/**',
-    '!**/locale/lang/**',
-    '!**/sku/**'
-  ],
-  collectCoverage: true,
-  coverageReporters: ['html', 'lcov', 'text-summary'],
-  coverageDirectory: './test/coverage'
-};

packages/vant-cli/src/index.ts

@@ -2,8 +2,8 @@
 
 import { command, parse } from 'commander';
 import { dev } from './commands/dev';
-import { test } from './commands/test';
 import { lint } from './commands/lint';
+import { test } from './commands/jest';
 import { clean } from './commands/clean';
 import { build } from './commands/build';
 import { release } from './commands/release';

test/transformer.js

@@ -1,3 +0,0 @@
-const babelConfig = require('../babel.config');
-
-module.exports = require('babel-jest').createTransformer(babelConfig);