Update profile_tasks.py

removing contentious terminology to match reference documentation https://docs.ansible.com/ansible/latest/reference_appendices/config.html

plugins/callback/profile_tasks.py

@@ -21,7 +21,7 @@ DOCUMENTATION = '''
       - It also lists the top/bottom time consuming tasks in the summary (configurable)
       - Before 2.4 only the environment variables were available for configuration.
     requirements:
-      - whitelisting in configuration - see examples section below for details.
+      - enable in configuration - see examples section below for details.
     options:
       output_limit:
         description: Number of tasks to display in the summary
@@ -46,7 +46,7 @@ EXAMPLES = '''
 example: >
   To enable, add this to your ansible.cfg file in the defaults block
     [defaults]
-    callback_whitelist = ansible.posix.profile_tasks
+    callbacks_enabled=ansible.posix.profile_tasks
 sample output: >
 #
 #    TASK: [ensure messaging security group exists] ********************************