Allow fields to be removed at a specific version

[modular-magician]

The healthcare API has deprecated a field at beta and removed it from the GA
launch of the api. In order to support this without having to duplicate the
entire resource this change supports defining a single field multiple times
with a different configruation for each version. Specifically it allows a field
to exist as deprecated at one version but not at another.
This also introduces the removed_message field.

This is another follow on to GoogleCloudPlatform/magic-modules#3377 which GA'ed this resource without addressing the removed fields.

TODO - this change requires vendoring changes in both downstream repos.

Release Note Template for Downstream PRs (will be copied)

`google_healthcare_dataset` is now GA

`google_healthcare_dicom_store` is now GA

`google_healthcare_fhir_store` is now GA

`google_healthcare_hl7_v2_store` is now GA

`google_healthcare_dataset_iam_binding` is now GA

`google_healthcare_dataset_iam_member` is now GA

`google_healthcare_dataset_iam_policy` is now GA

`google_healthcare_dicom_store_iam_binding` is now GA

`google_healthcare_dicom_store_iam_member` is now GA

`google_healthcare_dicom_store_iam_policy` is now GA

`google_healthcare_fhir_store_iam_binding` is now GA

`google_healthcare_fhir_store_iam_member` is now GA

`google_healthcare_fhir_store_iam_policy` is now GA

`google_healthcare_hl7_v2_store_iam_binding` is now GA

`google_healthcare_hl7_v2_store_iam_member` is now GA

`google_healthcare_hl7_v2_store_iam_policy` is now GA

Derived from GoogleCloudPlatform/magic-modules#3417

[ghost]

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