lambda: Remove the note about supporting S3 uploads only (#20562)

The module supports also ZIP uploads which are documented.

Refer to the correct boto3 function in the return value description.

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

@@ -96,8 +96,6 @@ options:
       - List of VPC security group IDs to associate with the Lambda function. Required when vpc_subnet_ids is used.
     required: false
     default: None
-notes:
-  - 'Currently this module only supports uploaded code via S3'
 author:
     - 'Steyn Huizinga (@steynovich)'
 extends_documentation_fragment:
@@ -141,7 +139,7 @@ tasks:
 
 RETURN = '''
 output:
-  description: the data returned by create_function in boto3
+  description: the data returned by get_function in boto3
   returned: success
   type: dict
   sample: