* Split ec2_elb_* modules in service of rename/interface changes (#30532)
* Undeprecate ec2_elb_*
* Make ec2_elb* full fledged modules rather than aliases
* Split tests for ec2_elb_lb and elb_classicb_lb
* Change names in documentation of old and new elb modules
Add tests for ec2_elb_lb
* Update CHANGELOG with new status of ec2_elb_* vs. elb_classic_*