remove unused test_utils (#76528)

* remove unused utils

* remove unnecessary aliases

Author: mshustov

packages/kbn-eslint-import-resolver-kibana/lib/get_webpack_config.js

@@ -27,11 +27,7 @@ exports.getWebpackConfig = function (kibanaPath) {
       mainFields: ['browser', 'main'],
       modules: ['node_modules', resolve(kibanaPath, 'node_modules')],
       alias: {
-        // Kibana defaults https://github.com/elastic/kibana/blob/6998f074542e8c7b32955db159d15661aca253d7/src/legacy/ui/ui_bundler_env.js#L30-L36
-        ui: resolve(kibanaPath, 'src/legacy/ui/public'),
-
         // Dev defaults for test bundle https://github.com/elastic/kibana/blob/6998f074542e8c7b32955db159d15661aca253d7/src/core_plugins/tests_bundle/index.js#L73-L78
-        ng_mock$: resolve(kibanaPath, 'src/test_utils/public/ng_mock'),
         fixtures: resolve(kibanaPath, 'src/fixtures'),
         test_utils: resolve(kibanaPath, 'src/test_utils/public'),
       },