Remove deprecated example (#19161)

lib/ansible/modules/notification/slack.py

@@ -35,7 +35,7 @@ options:
   domain:
     description:
       - Slack (sub)domain for your environment without protocol. (i.e.
-        C(future500.slack.com)) In 1.8 and beyond, this is deprecated and may
+        C(example.slack.com)) In 1.8 and beyond, this is deprecated and may
         be ignored.  See token documentation for information.
     required: false
     default: None
@@ -120,14 +120,13 @@ options:
 
 EXAMPLES = """
 - name: Send notification message via Slack
-  local_action:
-    module: slack
+  slack:
     token: thetoken/generatedby/slack
     msg: '{{ inventory_hostname }} completed'
+  delegate_to: localhost
 
 - name: Send notification message via Slack all options
-  local_action:
-    module: slack
+  slack:
     token: thetoken/generatedby/slack
     msg: '{{ inventory_hostname }} completed'
     channel: #ansible
@@ -135,6 +134,7 @@ EXAMPLES = """
     icon_url: http://www.example.com/some-image-file.png
     link_names: 0
     parse: 'none'
+  delegate_to: localhost
 
 - name: insert a color bar in front of the message for visibility purposes and use the default webhook icon and name configured in Slack
   slack:
@@ -158,14 +158,6 @@ EXAMPLES = """
           - title: System B
             value: 'load average: 5,16, 4,64, 2,43'
             short: True
-
-- name: Send notification message via Slack (deprecated API using domain)
-  local_action:
-    module: slack
-    domain: example.slack.com
-    token: thetokengeneratedbyslack
-    msg: '{{ inventory_hostname }} completed'
-
 """
 
 OLD_SLACK_INCOMING_WEBHOOK = 'https://%s/services/hooks/incoming-webhook?token=%s'