Remove reload_search_analyzers API (#4790)

Signed-off-by: Fanit Kolchina <kolchfa@amazon.com>

_api-reference/index.md

@@ -44,7 +44,6 @@ This reference includes the REST APIs supported by OpenSearch. If a REST API is
 - [Popular APIs]({{site.url}}{{site.baseurl}}/api-reference/popular-api/)
 - [Ranking evaluation]({{site.url}}{{site.baseurl}}/api-reference/rank-eval/)
 - [Refresh search analyzer]({{site.url}}{{site.baseurl}}/im-plugin/refresh-analyzer/)
-- [Reload search analyzer]({{site.url}}{{site.baseurl}}/im-plugin/reload-search-analyzer/)
 - [Remove cluster information]({{site.url}}{{site.baseurl}}/api-reference/remote-info/)
 - [Root cause analysis API]({{site.url}}{{site.baseurl}}/monitoring-your-cluster/pa/rca/api/)
 - [Snapshot management API]({{site.url}}{{site.baseurl}}/tuning-your-cluster/availability-and-recovery/snapshots/sm-api/)

_im-plugin/reload-search-analyzer.md

@@ -1,60 +0,0 @@
----
-layout: default
-title: Reload search analyzer
-nav_order: 65
----
-
-# Reload search analyzer
-
-The reload search analyzer API operation detects any changes to [synonym]({{site.url}}{{site.baseurl}}/opensearch/ux/) files for any configured [search analyzers]({{site.url}}{{site.baseurl}}/im-plugin/refresh-analyzer/index/). The reload search analyzer request needs to be run on all nodes. Additionally, the synonym token filter must be set to `true`.
-
-## Path and HTTP methods
-
-```
-POST /<index>/_reload_search_analyzers
-GET /<index>/_reload_search_analyzers
-```
-
-## Request body fields
-
-Request body parameters are optional.
-
-Field Type | Data type | Description
-:--- | :--- | :---
-allow_no_indices | Boolean | When set to `false`, an error is returned for indexes that are closed or missing and match any wildcard expression. Default is set to `true`.
-expand_wildcards | String | Allows you to set the wildcards that can be matched to a type of index. Available options are `open`, `closed`, `all`, `none`, and `hidden`. Default is set to `open`.
-ignore_unavailable | Boolean | If an index is closed or missing, an error is returned when ignore_unavailable is set to `false`. Default is set to `false`.
-
-## Examples
-
-The following are an example request and response.
-
-#### Example request
-
-````json
-POST /shakespeare/_reload_search_analyzers
-````
-{% include copy-curl.html %}
- 
-#### Example response
-
-````json
-{
-  "_shards": {
-    "total": 1,
-    "successful": 1,
-    "failed": 0
-  },
-  "reload_details": [
-    {
-      "index": "shakespeare",
-      "reloaded_analyzers": [
-        "analyzers-synonyms-test"
-      ],
-      "reloaded_node_ids": [
-        "opensearch-node1"
-      ]
-    }
-  ]
-}
-````