Fixed docs for cloud modules (#23745)

* Fixed docs for cloud modules

* removed blank line in ec2_snapshot_facts

lib/ansible/modules/cloud/amazon/ec2_lc_facts.py

@@ -83,7 +83,8 @@ EXAMPLES = '''
 RETURN = '''
 block_device_mapping:
     description: Block device mapping for the instances of launch configuration
-    type: list of block devices
+    type: list
+    returned: always
     sample: "[{
         'device_name': '/dev/xvda':,
         'ebs': {
@@ -94,58 +95,71 @@ block_device_mapping:
 classic_link_vpc_security_groups:
     description: IDs of one or more security groups for the VPC specified in classic_link_vpc_id
     type: string
+    returned: always
     sample:
 created_time:
     description: The creation date and time for the launch configuration
     type: string
+    returned: always
     sample: "2016-05-27T13:47:44.216000+00:00"
 ebs_optimized:
     description: EBS I/O optimized (true ) or not (false )
     type: bool
+    returned: always
     sample: true,
 image_id:
     description: ID of the Amazon Machine Image (AMI)
     type: string
+    returned: always
     sample: "ami-12345678"
 instance_monitoring:
     description: Launched with detailed monitoring or not
     type: dict
+    returned: always
     sample: "{
         'enabled': true
     }"
 instance_type:
     description: Instance type
     type: string
+    returned: always
     sample: "t2.micro"
 kernel_id:
     description: ID of the kernel associated with the AMI
     type: string
+    returned: always
     sample:
 key_name:
     description: Name of the key pair
     type: string
+    returned: always
     sample: "user_app"
 launch_configuration_arn:
     description: Amazon Resource Name (ARN) of the launch configuration
     type: string
+    returned: always
     sample: "arn:aws:autoscaling:us-east-1:666612345678:launchConfiguration:ba785e3a-dd42-6f02-4585-ea1a2b458b3d:launchConfigurationName/lc-app"
 launch_configuration_name:
     description: Name of the launch configuration
     type: string
+    returned: always
     sample: "lc-app"
 ramdisk_id:
     description: ID of the RAM disk associated with the AMI
     type: string
+    returned: always
     sample:
 security_groups:
     description: Security groups to associated
     type: list
+    returned: always
     sample: "[
         'web'
     ]"
 user_data:
     description: User data available
     type: string
+    returned: always
     sample:
 '''