[Metricbeat] Move elb metricset to ga

CHANGELOG.next.asciidoc

@@ -587,6 +587,7 @@ https://github.com/elastic/beats/compare/v7.0.0-alpha2...master[Check the HEAD d
 - Add `index` option to all modules to specify a module-specific output index. {pull}15100[15100]
 - Add a `system/service` metricset for systemd data. {pull}14206[14206]
 - Add cost warnings for the azure module. {pull}15356[15356]
+- Release elb module as GA. {pull}15485[15485]
 
 *Packetbeat*
 

metricbeat/docs/fields.asciidoc

@@ -1729,7 +1729,7 @@ Metrics that returned from Cloudwatch API query. - name: billing
   type: group
   description: >
     `elb` contains the metrics that were scraped from AWS CloudWatch which contains monitoring metrics sent by AWS ELB.
-  release: beta
+  release: ga
   fields:
 - name: rds
   type: group

metricbeat/docs/modules/aws/elb.asciidoc

@@ -5,8 +5,6 @@ This file is generated! See scripts/mage/docs_collector.go
 [[metricbeat-metricset-aws-elb]]
 === aws elb metricset
 
-beta[]
-
 include::../../../../x-pack/metricbeat/module/aws/elb/_meta/docs.asciidoc[]
 
 This is a default metricset. If the host module is unconfigured, this metricset is enabled by default.

metricbeat/docs/modules_list.asciidoc

@@ -20,7 +20,7 @@ This file is generated! See scripts/mage/docs_collector.go
 |<<metricbeat-metricset-aws-cloudwatch,cloudwatch>>   
 |<<metricbeat-metricset-aws-ebs,ebs>>   
 |<<metricbeat-metricset-aws-ec2,ec2>>   
-|<<metricbeat-metricset-aws-elb,elb>> beta[]  
+|<<metricbeat-metricset-aws-elb,elb>>   
 |<<metricbeat-metricset-aws-rds,rds>>   
 |<<metricbeat-metricset-aws-s3_daily_storage,s3_daily_storage>>   
 |<<metricbeat-metricset-aws-s3_request,s3_request>>   

x-pack/metricbeat/module/aws/elb/_meta/fields.yml

@@ -2,5 +2,5 @@
   type: group
   description: >
     `elb` contains the metrics that were scraped from AWS CloudWatch which contains monitoring metrics sent by AWS ELB.
-  release: beta
+  release: ga
   fields: