chore: revert actor v2 hack (#4586)

# Description

Please include a summary of the changes and the related issue. Please also include relevant motivation and context.

## Type of change

- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
- [ ] This change requires a documentation update

## How Has This Been Tested?

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## Checklist:

- [ ] My code follows the style guidelines of this project
- [ ] 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
- [ ] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my feature works
- [ ] New and existing unit tests pass locally with my changes

Author: NathanFlurry

engine/packages/pegboard/src/workflows/actor/runtime.rs

@@ -264,8 +264,8 @@ async fn allocate_actor_v2(
 		.map(|pool| matches!(pool.config.kind, RunnerConfigKind::Serverless { .. }))
 		.unwrap_or(false);
 
-	// Protocol version is set or this is a serverless pool; migrate to actor v2
-	if pool.as_ref().and_then(|p| p.protocol_version).is_some() || for_serverless {
+	// Protocol version is set or this is a serverless pool
+	if pool.and_then(|p| p.protocol_version).is_some() {
 		return Ok(AllocateActorOutputV2 {
 			status: AllocateActorStatus::MigrateToV2,
 			serverless: false,