[5.0.0] Bump version to 5.0.0, remove deprecated features (#4516)

* Remove deprecated features.

* Fix changelog.

* Remove ignore.txt entries.

* One more.

* Remove state=get tests.

plugins/modules/cloud/misc/serverless.py

@@ -34,14 +34,6 @@ options:
       - The name of the serverless framework project stage to deploy to.
       - This uses the serverless framework default "dev".
     type: str
-  functions:
-    description:
-      - A list of specific functions to deploy.
-      - If this is not provided, all functions in the service will be deployed.
-      - Deprecated parameter, it will be removed in community.general 5.0.0.
-    type: list
-    elements: str
-    default: []
   region:
     description:
       - AWS region to deploy the service to.
@@ -159,8 +151,6 @@ def main():
         argument_spec=dict(
             service_path=dict(type='path', required=True),
             state=dict(type='str', default='present', choices=['absent', 'present']),
-            functions=dict(type='list', elements='str',
-                           removed_in_version="5.0.0", removed_from_collection="community.general"),
             region=dict(type='str', default=''),
             stage=dict(type='str', default=''),
             deploy=dict(type='bool', default=True),