removed change

Author: ashwinkumar12345

docs/ism/refresh-analyzer.md

@@ -13,25 +13,3 @@ With ISM installed, you can refresh search analyzers in real time with the follo
 POST /_opendistro/_refresh_search_analyzers/<index or alias or wildcard>
 ```
 For example, if you change the synonym list in your analyzer, the change takes effect without you needing to close and reopen the index.
-
-To work, the token filter must have an `updateable` flag of `true`:
-
-```json
-{
-  "analyzer": {
-    "my_synonyms": {
-      "tokenizer": "whitespace",
-      "filter": [
-        "synonym"
-      ]
-    }
-  },
-  "filter": {
-    "synonym": {
-      "type": "synonym_graph",
-      "synonyms_path": "synonyms.txt",
-      "updateable": true
-    }
-  }
-}
-```