Removes support for unused optimize.* settings from core deprecations

docs/migration/migrate_8_0.asciidoc

@@ -259,6 +259,12 @@ URL that it derived from the actual server address and `xpack.security.public` s
 
 *Impact:* Any workflow that involved manually clearing generated bundles will have to be updated with the new path.
 
+[float]
+=== Legacy `optimize.*` settings are no longer supported
+*Details:*  The legacy optimizer has been removed and any `optimize.*` settings have been deprecated since 7.10. These settings have been removed as they are no longer in use.
+
+*Impact:* Any of the legacy `optimize.*` settings will prevent Kibana from starting up. Going forward, to run the `@kbn/optimizer` separately in development, pass `--no-optimizer` to `yarn start`. See https://github.com/elastic/kibana/pull/73154 for more details.
+
 [float]
 === kibana.keystore has moved from the `data` folder to the `config` folder
 *Details:* By default, kibana.keystore has moved from the configured `path.data` folder to `<root>/config` for archive distributions

src/core/server/config/deprecation/core_deprecations.ts

@@ -353,25 +353,6 @@ const logFilterDeprecation: ConfigDeprecation = (settings, fromPath, addDeprecat
 };
 
 export const coreDeprecationProvider: ConfigDeprecationProvider = ({ rename, unusedFromRoot }) => [
-  unusedFromRoot('optimize.lazy'),
-  unusedFromRoot('optimize.lazyPort'),
-  unusedFromRoot('optimize.lazyHost'),
-  unusedFromRoot('optimize.lazyPrebuild'),
-  unusedFromRoot('optimize.lazyProxyTimeout'),
-  unusedFromRoot('optimize.enabled'),
-  unusedFromRoot('optimize.bundleFilter'),
-  unusedFromRoot('optimize.bundleDir'),
-  unusedFromRoot('optimize.viewCaching'),
-  unusedFromRoot('optimize.watch'),
-  unusedFromRoot('optimize.watchPort'),
-  unusedFromRoot('optimize.watchHost'),
-  unusedFromRoot('optimize.watchPrebuild'),
-  unusedFromRoot('optimize.watchProxyTimeout'),
-  unusedFromRoot('optimize.useBundleCache'),
-  unusedFromRoot('optimize.sourceMaps'),
-  unusedFromRoot('optimize.workers'),
-  unusedFromRoot('optimize.profile'),
-  unusedFromRoot('optimize.validateSyntaxOfNodeModules'),
   rename('cpu.cgroup.path.override', 'ops.cGroupOverrides.cpuPath'),
   rename('cpuacct.cgroup.path.override', 'ops.cGroupOverrides.cpuAcctPath'),
   rename('server.xsrf.whitelist', 'server.xsrf.allowlist'),

src/core/server/config/integration_tests/config_deprecation.test.ts

@@ -36,25 +36,4 @@ describe('configuration deprecations', () => {
       ]
     `);
   });
-
-  it('should log deprecation warnings for core deprecations', async () => {
-    root = kbnTestServer.createRoot({
-      optimize: {
-        lazy: true,
-        lazyPort: 9090,
-      },
-    });
-
-    await root.preboot();
-    await root.setup();
-
-    const logs = loggingSystemMock.collect(mockLoggingSystem);
-    expect(logs.warn.flat()).toMatchInlineSnapshot(`
-      Array [
-        "You no longer need to configure \\"optimize.lazy\\".",
-        "You no longer need to configure \\"optimize.lazyPort\\".",
-        "\\"logging.silent\\" has been deprecated and will be removed in 8.0. Moving forward, you can use \\"logging.root.level:off\\" in your logging configuration. ",
-      ]
-    `);
-  });
 });