ansible-lint (documentation) cleanup for plugins/ (ansible-collection…

…s#2036)

ansible-lint (documentation) cleanup for plugins/

SUMMARY
Fixes an array of ansible-lint failures in plugins/
Adds ansible-lint plugins/ to tox -m lint
ISSUE TYPE

Docs Pull Request

COMPONENT NAME
plugins/
ADDITIONAL INFORMATION
docs changes only (no changelog fragment needed)

Reviewed-by: Alina Buzachis

This commit was initially merged in https://github.com/ansible-collections/community.aws
See: ansible-collections/community.aws@6dd4a00

plugins/modules/autoscaling_instance_refresh.py

@@ -84,7 +84,6 @@
     preferences:
       min_healthy_percentage: 91
       instance_warmup: 60
-
 """
 
 RETURN = r"""