Remove EFA installation scripts; EFA is installed by default on EKS AL2 GPU, EKS Al2023 NVIDIA, and EKS AL2023 Neuron AMIs

[bryantbiggs]

Description

• Remove EFA installation scripts; the EKS AL2 GPU, EKS Al2023 NVIDIA, and EKS AL2023 Neuron AMIs come with the correct EFA components pre-installed

  • AL2023 ref https://github.com/awslabs/amazon-eks-ami/blob/main/templates/al2023/provisioners/install-efa.sh

• Update the EFA supported instance types and container image to match upstream EKS helm chart https://github.com/aws/eks-charts/blob/master/stable/aws-efa-k8s-device-plugin/values.yaml

• Resolves [Feature] Add more supported instances (P5) to EFA Device Plugin DaemonSet - refer to eks-charts #8089

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 🌟

[TiberiuGC]

Thanks for this insight!