Revert Capacity Block Hack

[hspencer77]

• Fix merge from main
• Revert capacity-block hack

Description

Revert capacity-block hack due to the fact that when capacity block reservations are not used, and on-demand capacity reservations are available, it generates the following error in CloudFormation:

   Resource handler returned message: "You must use a valid fully-formed launch template. The market type (purchasing) option is not valid. Choose a different market type and try again (Service: AutoScaling, Status Code: 400, Request ID: 4506edbb-da90-435c-842c-ea06cceb3c0f)" (RequestToken: b47abf27-7560-0ffe-0e4c-d7091fa935dd, HandlerErrorCode: InvalidRequest)

Checklist

• Added tests that cover your change (if possible)
• Added/modified documentation as required (such as the README.md, or the userdocs directory)
• Manually tested
• Made sure the title of the PR is a good description that can go into the release notes
• (Core team) Added labels for change area (e.g. area/nodegroup) and kind (e.g. kind/improvement)

BONUS POINTS checklist: complete for good vibes and maybe prizes?! 🤯

• Backfilled missing tests for code in same general area 🎉
• Refactored something and made the world a better place 🌟