feat(lib): add the remove function to TerraformResource

[xphir]

Adds support within the TerraformResource for the removed block

Related issue

Fixes #3638

Description

Key Changes

• Introduced a _removed private field on TerraformResource to track removed state.
• Updated toTerraform, toHclTerraform, and toMetadata to support the removed block when applicable.
• Added a new remove(...) method to define removed resources, including optional lifecycle and provisioner support.
• Introduced a new RemovedBlockLocalExecProvisioner interface, as JSII does not support the Omit type against LocalExecProvisioner, to make the API clearer and reduce developer confusion.
• Added compatibility checks to prevent calling remove() in combination with importFrom or any moveXX() methods, since these operations are mutually exclusive in Terraform’s configuration model.
• Added versions checks for the remove functionality (1.7) and the provisioner block (1.9`)
• Added HCL rendering support via renderRemoved

Rationale

• Keeping a dedicated _removed field aligns with the patterns used for import and move, making the codebase more consistent and easier to reason about.
• Using a distinct provisioner type for removed blocks improves the developer experience by avoiding misuse of the when property and surfacing clearer validation (as opposed to a value check and throw).
• Enforcing mutual exclusivity via runtime checks ensures predictable behaviour and avoids subtle bugs where toTerraform() would silently ignore conflicting operations.

Checklist

• I have updated the PR title to match CDKTF's style guide
• I have run the linter on my code locally
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation if applicable
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works if applicable
• New and existing unit tests pass locally with my changes

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[xphir]

Looking to get some clarification here how removed should work with toMetadata()