refactor(supervisor): drop the unused runtime create option

Author: nicktrn

apps/supervisor/src/index.ts

@@ -653,7 +653,6 @@ class ManagedSupervisor {
         projectId: message.project.id,
         deploymentFriendlyId: message.deployment.friendlyId,
         deploymentVersion: message.backgroundWorker.version,
-        runtime: message.backgroundWorker.runtime,
         deploymentToken,
         runId: message.run.id,
         runFriendlyId: message.run.friendlyId,

apps/supervisor/src/workloadManager/types.ts

@@ -42,8 +42,6 @@ export interface WorkloadManagerCreateOptions {
   projectId: string;
   deploymentFriendlyId: string;
   deploymentVersion: string;
-  // Canonical runtime identifier (e.g. "node", "node-22", "node-24")
-  runtime?: string;
   // When set, overrides the TRIGGER_DEPLOYMENT_ID value the runner forwards as its identity header.
   deploymentToken?: string;
   runId: string;