Remove irrelevant warning

CHANGELOG.md

@@ -1,3 +1,6 @@
+## 11.22.11
+ - Remove irrelevant log warning about elastic stack version [#1202](https://github.com/logstash-plugins/logstash-output-elasticsearch/pull/1202)
+
 ## 11.22.10
  - Add `x-elastic-product-origin` header to Elasticsearch requests [#1195](https://github.com/logstash-plugins/logstash-output-elasticsearch/pull/1195)
 

lib/logstash/outputs/elasticsearch/http_client/pool.rb

@@ -515,20 +515,13 @@ def set_last_es_version(version, url)
       major = major_version(version)
       if @maximum_seen_major_version.nil?
         @logger.info("Elasticsearch version determined (#{version})", es_version: major)
-        set_maximum_seen_major_version(major)
+        @maximum_seen_major_version = major
       elsif major > @maximum_seen_major_version
         warn_on_higher_major_version(major, url)
         @maximum_seen_major_version = major
       end
     end
 
-    def set_maximum_seen_major_version(major)
-      if major >= 6
-        @logger.warn("Detected a 6.x and above cluster: the `type` event field won't be used to determine the document _type", es_version: major)
-      end
-      @maximum_seen_major_version = major
-    end
-
     def warn_on_higher_major_version(major, url)
       @logger.warn("Detected a node with a higher major version than previously observed, " +
                    "this could be the result of an Elasticsearch cluster upgrade",

logstash-output-elasticsearch.gemspec

@@ -1,6 +1,6 @@
 Gem::Specification.new do |s|
   s.name            = 'logstash-output-elasticsearch'
-  s.version         = '11.22.10'
+  s.version         = '11.22.11'
   s.licenses        = ['apache-2.0']
   s.summary         = "Stores logs in Elasticsearch"
   s.description     = "This gem is a Logstash plugin required to be installed on top of the Logstash core pipeline using $LS_HOME/bin/logstash-plugin install gemname. This gem is not a stand-alone program"