Remove LP deprecations

packages/kbn-test/src/functional_test_runner/lib/config/read_config_file.ts

@@ -21,7 +21,6 @@ import { ToolingLog } from '@kbn/dev-utils';
 import { defaultsDeep } from 'lodash';
 
 import { Config } from './config';
-import { transformDeprecations } from './transform_deprecations';
 
 const cache = new WeakMap();
 
@@ -52,8 +51,7 @@ async function getSettingsFromFile(log: ToolingLog, path: string, settingOverrid
  await cache.get(configProvider)!
  );
 
- const logDeprecation = (error: string | Error) => log.error(error);
- return transformDeprecations(settingsWithDefaults, logDeprecation);
+ return settingsWithDefaults;
 }
 
 export async function readConfigFile(log: ToolingLog, path: string, settingOverrides: any = {}) {

src/core/server/legacy/config/get_unused_config_keys.test.ts

@@ -217,34 +217,4 @@ describe('getUnusedConfigKeys', () => {
  })
  ).toEqual([]);
  });
-
- describe('using deprecation', () => {
- it('should use the plugin deprecations provider', async () => {
- expect(
- await getUnusedConfigKeys({
- coreHandledConfigPaths: [],
- pluginSpecs: [
- ({
- getDeprecationsProvider() {
- return async ({ rename }: any) => [rename('foo1', 'foo2')];
- },
- getConfigPrefix: () => 'foo',
- } as unknown) as LegacyPluginSpec,
- ],
- disabledPluginSpecs: [],
- settings: {
- foo: {
- foo: 'dolly',
- foo1: 'bar',
- },
- },
- legacyConfig: getConfig({
- foo: {
- foo2: 'bar',
- },
- }),
- })
- ).toEqual(['foo.foo']);
- });
- });
 });

src/core/server/legacy/config/get_unused_config_keys.ts

@@ -17,10 +17,7 @@
  * under the License.
  */
 
-import { set } from '@elastic/safer-lodash-set';
-import { difference, get } from 'lodash';
-// @ts-expect-error
-import { getTransform } from '../../../../legacy/deprecation/index';
+import { difference } from 'lodash';
 import { unset } from '../../../../legacy/utils';
 import { getFlattenedObject } from '../../../utils';
 import { hasConfigPathIntersection } from '../../config';
@@ -41,21 +38,6 @@ export async function getUnusedConfigKeys({
  settings: LegacyVars;
  legacyConfig: LegacyConfig;
 }) {
- // transform deprecated plugin settings
- for (let i = 0; i < pluginSpecs.length; i++) {
- const spec = pluginSpecs[i];
- const transform = await getTransform(spec);
- const prefix = spec.getConfigPrefix();
-
- // nested plugin prefixes (a.b) translate to nested objects
- const pluginSettings = get(settings, prefix);
- if (pluginSettings) {
- // flattened settings are expected to be converted to nested objects
- // a.b = true => { a: { b: true }}
- set(settings, prefix, transform(pluginSettings));
- }
- }
-
  // remove config values from disabled plugins
  for (const spec of disabledPluginSpecs) {
  unset(settings, spec.getConfigPrefix());