Move Performance Monitoring out of beta (#5616)

* Update metrics_settings.jsx

* Update admin_sidebar.jsx

* Update en.json

webapp/components/admin_console/admin_sidebar.jsx

@@ -250,7 +250,7 @@ export default class AdminSidebar extends React.Component {
                         title={
                             <FormattedMessage
                                 id='admin.sidebar.metrics'
-                                defaultMessage='Performance Monitoring (Beta)'
+                                defaultMessage='Performance Monitoring'
                             />
                         }
                     />

webapp/components/admin_console/metrics_settings.jsx

@@ -41,7 +41,7 @@ export default class MetricsSettings extends AdminSettings {
             <h3>
                 <FormattedMessage
                     id='admin.advance.metrics'
-                    defaultMessage='Performance Monitoring (Beta)'
+                    defaultMessage='Performance Monitoring'
                 />
             </h3>
         );

webapp/i18n/en.json

@@ -144,7 +144,7 @@
   "add_outgoing_webhook.triggerWordsTriggerWhenFullWord": "First word matches a trigger word exactly",
   "add_outgoing_webhook.triggerWordsTriggerWhenStartsWith": "First word starts with a trigger word",
   "admin.advance.cluster": "High Availability (Beta)",
-  "admin.advance.metrics": "Performance Monitoring (Beta)",
+  "admin.advance.metrics": "Performance Monitoring",
   "admin.audits.reload": "Reload User Activity Logs",
   "admin.audits.title": "User Activity Logs",
   "admin.authentication.email": "Email Auth",
@@ -774,7 +774,7 @@
   "admin.sidebar.logging": "Logging",
   "admin.sidebar.login": "Login",
   "admin.sidebar.logs": "Logs",
-  "admin.sidebar.metrics": "Performance Monitoring (Beta)",
+  "admin.sidebar.metrics": "Performance Monitoring",
   "admin.sidebar.nativeAppLinks": "Mattermost App Links",
   "admin.sidebar.notifications": "Notifications",
   "admin.sidebar.oauth": "OAuth 2.0",