Remove illegal basic provisioning example (#55892)

The bare minimum example in the docs (i.e. only supplying name, state, and cluster) results in the error `state is present but all of the following are missing: task_definition, desired_count`.

lib/ansible/modules/cloud/amazon/ecs_service.py

@@ -160,6 +160,8 @@ extends_documentation_fragment:
 
 EXAMPLES = '''
 # Note: These examples do not set authentication details, see the AWS Guide for details.
+
+# Basic provisioning example
 - ecs_service:
     state: present
     name: console-test-service
@@ -167,12 +169,6 @@ EXAMPLES = '''
     task_definition: 'new_cluster-task:1'
     desired_count: 0
 
-# Basic provisioning example
-- ecs_service:
-    name: default
-    state: present
-    cluster: new_cluster
-
 - name: create ECS service on VPC network
   ecs_service:
     state: present