[data.search] Remove warning toast (#117252) (#118120)

* [data.search] Remove toast notification for warnings

* Update docs

* Review feedback

Co-authored-by: Kibana Machine <42973632+kibanamachine@users.noreply.github.com>

Co-authored-by: Lukas Olson <olson.lukas@gmail.com>

src/plugins/data/common/search/types.ts

@@ -71,7 +71,7 @@ export interface IKibanaSearchResponse<RawResponse = any> {
   isRestored?: boolean;
 
   /**
-   * Optional warnings that should be surfaced to the end user
+   * Optional warnings returned from Elasticsearch (for example, deprecation warnings)
    */
   warning?: string;
 

src/plugins/data/public/search/fetch/handle_response.tsx

@@ -16,17 +16,7 @@ import { getNotifications } from '../../services';
 import { SearchRequest } from '..';
 
 export function handleResponse(request: SearchRequest, response: IKibanaSearchResponse) {
-  const { rawResponse, warning } = response;
-  if (warning) {
-    getNotifications().toasts.addWarning({
-      title: i18n.translate('data.search.searchSource.fetch.warningMessage', {
-        defaultMessage: 'Warning: {warning}',
-        values: {
-          warning,
-        },
-      }),
-    });
-  }
+  const { rawResponse } = response;
 
   if (rawResponse.timed_out) {
     getNotifications().toasts.addWarning({