chore: rollback GenericSSMParameterImage deprecation (backport aws#…

…16798) (aws#16800)

This is an automatic backport of pull request aws#16798 done by [Mergify](https://mergify.io).


---


<details>
<summary>Mergify commands and options</summary>

<br />

More conditions and actions can be found in the [documentation](https://docs.mergify.io/).

You can also trigger Mergify actions by commenting on this pull request:

- `@Mergifyio refresh` will re-evaluate the rules
- `@Mergifyio rebase` will rebase this PR on its base branch
- `@Mergifyio update` will merge the base branch into this PR
- `@Mergifyio backport <destination>` will backport this PR on `<destination>` branch

Additionally, on Mergify [dashboard](https://dashboard.mergify.io/) you can:

- look at your merge queues
- generate the Mergify configuration with the config editor.

Finally, you can contact us on https://mergify.io/
</details>

packages/@aws-cdk/aws-ec2/lib/machine-image.ts

@@ -149,10 +149,12 @@ export interface MachineImageConfig {
  * on the instance if you are using this image.
  *
  * The AMI ID is selected using the values published to the SSM parameter store.
- *
- * @deprecated Use `MachineImage.fromSsmParameter()` instead
  */
 export class GenericSSMParameterImage implements IMachineImage {
+  // FIXME: this class ought to be `@deprecated` and removed from v2, but that
+  // is causing build failure right now. Ref: https://github.com/aws/jsii/issues/3025
+  // @-deprecated Use `MachineImage.fromSsmParameter()` instead
+
   /**
    * Name of the SSM parameter we're looking up
    */
@@ -679,4 +681,4 @@ function lookupImage(scope: Construct, cachedInContext: boolean | undefined, par
   return cachedInContext
     ? ssm.StringParameter.valueFromLookup(scope, parameterName)
     : ssm.StringParameter.valueForTypedStringParameter(scope, parameterName, ssm.ParameterType.AWS_EC2_IMAGE_ID);
-}
+}