Clean up some files and add advanced settings (opensearch-project#6973)

Signed-off-by: Kawika Avilla <kavilla414@gmail.com>

plugins-extra/query_enhancements/opensearch_dashboards.json

@@ -5,6 +5,6 @@
  "server": true,
  "ui": true,
  "requiredPlugins": ["data"],
- "optionalPlugins": ["home"],
+ "optionalPlugins": [],
  "requiredBundles": ["opensearchDashboardsUtils", "opensearchDashboardsReact"]
 }

plugins-extra/query_enhancements/public/types.ts

@@ -1,5 +1,4 @@
 import { DataPublicPluginSetup, DataPublicPluginStart } from 'src/plugins/data/public';
-import { NavigationPublicPluginStart } from '../../../src/plugins/navigation/public';
 
 // eslint-disable-next-line @typescript-eslint/no-empty-interface
 export interface QueryEnhancementsPluginSetup {}
@@ -12,6 +11,5 @@ export interface QueryEnhancementsPluginSetupDependencies {
 }
 
 export interface QueryEnhancementsPluginStartDependencies {
- navigation: NavigationPublicPluginStart;
  data: DataPublicPluginStart;
 }

plugins-extra/query_enhancements/server/plugin.ts

@@ -20,9 +20,7 @@ import { PPL_SEARCH_STRATEGY, SQL_SEARCH_STRATEGY, SQL_ASYNC_SEARCH_STRATEGY } f
 import { pplSearchStrategyProvider } from './search/ppl/ppl_search_strategy';
 import { sqlSearchStrategyProvider } from './search/sql/sql_search_strategy';
 import { sqlAsyncSearchStrategyProvider } from './search/sql/sql_async_search_strategy';
-
-// import { logsPPLSpecProvider } from './sample_data/ppl';
-// const pplSampleDateSet = logsPPLSpecProvider();
+import { uiSettings } from './ui_settings';
 
 export class QueryEnhancementsPlugin
  implements Plugin<QueryEnhancementsPluginSetup, QueryEnhancementsPluginStart> {
@@ -33,14 +31,16 @@ export class QueryEnhancementsPlugin
  this.config$ = initializerContext.config.legacy.globalConfig$;
  }
 
- public setup(core: CoreSetup, { data, home }: QueryEnhancementsPluginSetupDependencies) {
+ public setup(core: CoreSetup, { data }: QueryEnhancementsPluginSetupDependencies) {
  this.logger.debug('queryEnhancements: Setup');
  const router = core.http.createRouter();
  // Register server side APIs
  const client = core.opensearch.legacy.createClient('opensearch_observability', {
  plugins: [PPLPlugin, EnginePlugin],
  });
 
+ core.uiSettings.register(uiSettings);
+
  const pplSearchStrategy = pplSearchStrategyProvider(this.config$, this.logger, client);
  const sqlSearchStrategy = sqlSearchStrategyProvider(this.config$, this.logger, client);
  const sqlAsyncSearchStrategy = sqlAsyncSearchStrategyProvider(