elb_classic_lb_info: Refactor elb_classic_lb_info module (ansible-col…

…lections#2139)

SUMMARY

Added type hints and function descriptions.
Updated return block of the module.

ISSUE TYPE

Docs Pull Request

COMPONENT NAME

elb_classic_lb_info
ADDITIONAL INFORMATION

Reviewed-by: Markus Bergholz <[email protected]>
Reviewed-by: Alina Buzachis
Reviewed-by: Mandar Kulkarni <[email protected]>
Reviewed-by: Mark Chappell
Reviewed-by: GomathiselviS

This commit was initially merged in https://github.com/ansible-collections/community.aws
See: ansible-collections/community.aws@2ad8a8f