chore: remove ununsed jest config

packages/vant-cli/src/commands/jest.ts

@@ -0,0 +1,14 @@
+import { runCLI } from 'jest';
+import { CWD, JEST_CONFIG_FILE } from '../common/constant';
+
+export function test(command: any) {
+  process.env.NODE_ENV = 'test';
+
+  const config = {
+    rootDir: CWD,
+    watch: command.watch,
+    config: JEST_CONFIG_FILE
+  } as any;
+
+  runCLI(config, [CWD]);
+}