[7.x] Delete src/legacy/ui/public folder (#76085) (#76351)

* Delete src/legacy/ui/public folder (#76085)

* delete src/legacy/ui/public folder

* remove jest.mock('ui/XXX'); from tests

* adapt stubbedLogstashIndexPatternService

* remove delete keys from translation files

* fix types import with Capabilities

* remove legacy test utils

* remove dead file referencing ui/newPlatform

* move saved-object-finder styles to timelion plugin
# Conflicts:
#	src/legacy/ui/public/new_platform/new_platform.test.mocks.ts
#	src/legacy/ui/public/new_platform/new_platform.ts
#	src/test_utils/public/no_digest_promises.js
#	x-pack/plugins/snapshot_restore/__jest__/client_integration/home.test.ts
#	x-pack/plugins/snapshot_restore/__jest__/client_integration/policy_edit.test.ts
#	x-pack/plugins/snapshot_restore/__jest__/client_integration/repository_add.test.ts
#	x-pack/plugins/snapshot_restore/__jest__/client_integration/repository_edit.test.ts

* fix 7.x code

* restore legacy docLinks file

src/core/public/chrome/recently_accessed/persisted_log.test.ts

@@ -28,12 +28,6 @@ const createMockStorage = () => ({
   length: 0,
 });
 
-jest.mock('ui/chrome', () => {
-  return {
-    getBasePath: () => `/some/base/path`,
-  };
-});
-
 const historyName = 'testHistory';
 const historyLimit = 10;
 const payload = [

src/dev/jest/config.js

@@ -56,7 +56,6 @@ export default {
     '@elastic/eui/lib/(.*)?': '<rootDir>/node_modules/@elastic/eui/test-env/$1',
     '^src/plugins/(.*)': '<rootDir>/src/plugins/$1',
     '^plugins/([^/.]*)(.*)': '<rootDir>/src/legacy/core_plugins/$1/public$2',
-    '^ui/(.*)': '<rootDir>/src/legacy/ui/public/$1',
     '^uiExports/(.*)': '<rootDir>/src/dev/jest/mocks/file_mock.js',
     '^test_utils/(.*)': '<rootDir>/src/test_utils/public/$1',
     '^fixtures/(.*)': '<rootDir>/src/fixtures/$1',

src/dev/jest/setup/mocks.js

@@ -34,10 +34,6 @@
  * The mocks that are enabled that way live inside the `__mocks__` folders beside their implementation files.
  */
 
-jest.mock('ui/metadata');
-jest.mock('ui/documentation_links/documentation_links');
-jest.mock('ui/chrome');
-
 jest.mock('moment-timezone', () => {
   // We always want to mock the timezone moment-timezone guesses, since otherwise
   // test results might be depending on which time zone you are running them.

src/fixtures/stubbed_logstash_index_pattern.js

@@ -21,7 +21,12 @@ import StubIndexPattern from 'test_utils/stub_index_pattern';
 import stubbedLogstashFields from 'fixtures/logstash_fields';
 
 import { getKbnFieldType } from '../plugins/data/common';
-import { npSetup } from '../legacy/ui/public/new_platform/new_platform.karma_mock';
+import { uiSettingsServiceMock } from '../core/public/ui_settings/ui_settings_service.mock';
+
+const uiSettingSetupMock = uiSettingsServiceMock.createSetupContract();
+uiSettingSetupMock.get.mockImplementation((item, defaultValue) => {
+  return defaultValue;
+});
 
 export default function stubbedLogstashIndexPatternService() {
   const mockLogstashFields = stubbedLogstashFields();
@@ -41,13 +46,9 @@ export default function stubbedLogstashIndexPatternService() {
     };
   });
 
-  const indexPattern = new StubIndexPattern(
-    'logstash-*',
-    (cfg) => cfg,
-    'time',
-    fields,
-    npSetup.core
-  );
+  const indexPattern = new StubIndexPattern('logstash-*', (cfg) => cfg, 'time', fields, {
+    uiSettings: uiSettingSetupMock,
+  });
 
   indexPattern.id = 'logstash-*';
   indexPattern.isTimeNanosBased = () => false;