tests: remove Jest config from package.json

Author: mrholek

packages/coreui-react/jest.config.js

@@ -0,0 +1,14 @@
+/**
+ * Copyright (c) 2013-present, creativeLabs Lukasz Holeczek.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+'use strict'
+
+module.exports = {
+  preset: 'ts-jest',
+  testEnvironment: 'jsdom',
+  testPathIgnorePatterns: ['dist/'],
+}