Convert handwritten utility erb files

[modular-magician]

1. Convert handwritten utility erb files
2. Modify common~copy file to not copy go folders
3. Refactor the logic how to get the last provider to copy/compile handwritten files in main.go

Release Note Template for Downstream PRs (will be copied)

Derived from GoogleCloudPlatform/magic-modules#11012

[github-actions]

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