Release Jolokia autodiscover provider as GA (elastic#9706)

(cherry picked from commit d286b62)

CHANGELOG.asciidoc

@@ -104,6 +104,7 @@ https://github.com/elastic/beats/compare/v6.5.0...6.x[Check the HEAD diff]
 - Add cache.ttl to add_host_metadata. {pull}9359[9359]
 - Add support for index lifecycle management (beta). {pull}7963[7963]
 - Always include Pod UID as part of Pod metadata. {pull]9517[9517]
+- Release Jolokia autodiscover as GA. {pull}9706[9706]
 
 *Auditbeat*
 

libbeat/autodiscover/providers/jolokia/jolokia.go

@@ -24,7 +24,6 @@ import (
 	"github.com/elastic/beats/libbeat/autodiscover/template"
 	"github.com/elastic/beats/libbeat/common"
 	"github.com/elastic/beats/libbeat/common/bus"
-	"github.com/elastic/beats/libbeat/common/cfgwarn"
 )
 
 func init() {
@@ -51,8 +50,6 @@ type Provider struct {
 // AutodiscoverBuilder builds a Jolokia Discovery autodiscover provider, it fails if
 // there is some problem with the configuration
 func AutodiscoverBuilder(bus bus.Bus, uuid uuid.UUID, c *common.Config) (autodiscover.Provider, error) {
-	cfgwarn.Experimental("The Jolokia Discovery autodiscover is experimental")
-
 	config := defaultConfig()
 	err := c.Unpack(&config)
 	if err != nil {

libbeat/docs/shared-autodiscover.asciidoc

@@ -191,7 +191,7 @@ After they are de-duplicated, only one will be used.
 
 ifdef::autodiscoverJolokia[]
 [float]
-===== Jolokia (experimental)
+===== Jolokia
 
 The Jolokia autodiscover provider uses Jolokia Discovery to find agents running
 in your host or your network.