Remove additional references to 'type' from the _bulk documentation. (#37722)

docs/reference/docs/bulk.asciidoc

@@ -57,7 +57,7 @@ newlines. Example:
 [source,js]
 --------------------------------------------------
 $ cat requests
-{ "index" : { "_index" : "test", "_type" : "_doc", "_id" : "1" } }
+{ "index" : { "_index" : "test", "_id" : "1" } }
 { "field1" : "value1" }
 $ curl -s -H "Content-Type: application/x-ndjson" -XPOST localhost:9200/_bulk --data-binary "@requests"; echo
 {"took":7, "errors": false, "items":[{"index":{"_index":"test","_type":"_doc","_id":"1","_version":1,"result":"created","forced_refresh":false}}]}
@@ -72,12 +72,12 @@ example of a correct sequence of bulk commands:
 [source,js]
 --------------------------------------------------
 POST _bulk
-{ "index" : { "_index" : "test", "_type" : "_doc", "_id" : "1" } }
+{ "index" : { "_index" : "test", "_id" : "1" } }
 { "field1" : "value1" }
-{ "delete" : { "_index" : "test", "_type" : "_doc", "_id" : "2" } }
-{ "create" : { "_index" : "test", "_type" : "_doc", "_id" : "3" } }
+{ "delete" : { "_index" : "test", "_id" : "2" } }
+{ "create" : { "_index" : "test", "_id" : "3" } }
 { "field1" : "value3" }
-{ "update" : {"_id" : "1", "_type" : "_doc", "_index" : "test"} }
+{ "update" : {"_id" : "1", "_index" : "test"} }
 { "doc" : {"field2" : "value2"} }
 --------------------------------------------------
 // CONSOLE
@@ -265,15 +265,15 @@ the options. Example with update actions:
 [source,js]
 --------------------------------------------------
 POST _bulk
-{ "update" : {"_id" : "1", "_type" : "_doc", "_index" : "index1", "retry_on_conflict" : 3} }
+{ "update" : {"_id" : "1", "_index" : "index1", "retry_on_conflict" : 3} }
 { "doc" : {"field" : "value"} }
-{ "update" : { "_id" : "0", "_type" : "_doc", "_index" : "index1", "retry_on_conflict" : 3} }
+{ "update" : { "_id" : "0", "_index" : "index1", "retry_on_conflict" : 3} }
 { "script" : { "source": "ctx._source.counter += params.param1", "lang" : "painless", "params" : {"param1" : 1}}, "upsert" : {"counter" : 1}}
-{ "update" : {"_id" : "2", "_type" : "_doc", "_index" : "index1", "retry_on_conflict" : 3} }
+{ "update" : {"_id" : "2", "_index" : "index1", "retry_on_conflict" : 3} }
 { "doc" : {"field" : "value"}, "doc_as_upsert" : true }
-{ "update" : {"_id" : "3", "_type" : "_doc", "_index" : "index1", "_source" : true} }
+{ "update" : {"_id" : "3", "_index" : "index1", "_source" : true} }
 { "doc" : {"field" : "value"} }
-{ "update" : {"_id" : "4", "_type" : "_doc", "_index" : "index1"} }
+{ "update" : {"_id" : "4", "_index" : "index1"} }
 { "doc" : {"field" : "value"}, "_source": true}
 --------------------------------------------------
 // CONSOLE